Amanda Seyfried: Beachwood Canyon Cutie

One of Tinseltown's hottest up and coming actresses, Amanda Seyfried was spotted partaking in a hiking escapade in Beachwood Canyon on Saturday afternoon (May 15).

Leading the way as she was joined by a gal pal and her pet pooch Finn, the 24-year-old took advantage of the gorgeous west coast weather while getting a little exercise at the well-equipped dog park.
In related news, Miss Seyfried recently spoke with Teen Vogue about her relationship with actor Dominic Cooper - telling that she's unsure whether he's material for her lifelong partner.

"A lot of people ask me, 'Is Dominic the one?' I don't know, and I'm fine with that," she tells. "Too much planning can lead to heartbreak. Love is great and possible always, but it's very rare to have the feeling that 'I want to be with this person forever.'"

Anne Hathaway's Pet Pooch Park Playdate

Taking advantage of her free time, Anne Hathaway was spotted paying a visit to a local park in Los Angeles, California over the weekend (May 15).

Looking casual cute in a striped top, jeans and fedora hat, the "Princess Diaries" darling leisurely strolled about the grounds while giving her pet pooch Esmeralda some much needed exercise.
In related news, it sounds as if Miss Hathaway's beau Adam Shulman has cleared up accusations claiming he heisted artwork from a NYC construction site.

While he was at fault for taking a piece from a local construction site, Shulman has since returned the property to its rightful owner.

Ken Hart, president of H&H Builders, told press that he won't be filing any charges, saying, "I got my art back. I'm happy."

Charlize Theron: Jean Shorts Sexy

Back home in the States, Charlize Theron stepped out to tend to her household needs in West Hollywood, California on Sunday afternoon (May 16).

Looking casual cute in a plaid buttondown shirt with jean shorts, the "Hancock" hottie ventured to Ralph's supermarket for her groceries before stopping to get some flowers at a local florist shop.
The shopping trip comes just after Miss Theron returned home from a trip to China, as she attended the Dior Cruise 2011 fashion show in Shanghai on Saturday.

As for her career endeavors, Miss Theron has recently agreed to star in and produce an untitled comedy based on a pitch by David Caspe.

Producing the flick through her production banner Denver and Delilah Films, Charlize is banking on Mr Capse's talents - as he's the mind behind "Karate Kids" and "I Hate You Dad".

Heidi Klum's Wilshire Ebell Theater Excursion

Bringing an end to the weekend, Heidi Klum was spotted enjoying a little family time in Los Angeles, California on Sunday (May 16).

The Victoria's Secret beauty stepped out with her brood of kiddies to visit the Wilshire Ebell Theater, where the Rest Cottage Association Luncheon was taking place.
Doing quite well for herself as of late, Miss Klum came in second place on the recently released Forbes listing of the highest earning models.

While Gisele Bundchen took the top spot, Heidi raked in over $16 million last year via endorsement deals with Diet Coke, Volkswagen, and McDonald's, while also garnering cash from her "Project Runway" and "Germany's Next Top Model" gigs

Lindsay Lohan's Cannes Arrival

Ready to delve into the Cannes Film Festival offerings, Lindsay Lohan was spotted arriving at the Nice Airport on Sunday (May 16).

Joined by a few travel companions, the "Mean Girls" starlet was all smiles as she headed through the terminal out to an awaiting car.

Having flown out of LAX Airport in Los Angeles the previous day, LiLo told Hollywood TV that she's going to announce her role as porn queen Linda Lovelace during her Cannes adventure, saying, "I'm off to Cannes to announce the movie."

As for her courtroom woes, Miss Lohan isn't sweating her next date in front of the judge on Thursday (May 20), telling, "I've just finished some more traffic school. I'm in compliance more than ever."

Cameron Diaz: "Shrek Forever After" Sexy

Making for an early green carpet appearance, Cameron Diaz was busy promoting "Shrek Forever After" in Los Angeles, California on Sunday (May 16).

Looking fabulous in a red Oscar de la Renta frock, the adorable actress joined co-stars Mike Myers and Eddie Murphy at the Gibson Amphitheatre event.
The press outing comes as the popular series' final installment is ready to hit theaters worldwide on May 21st.

In related news, Cameron recently spoke with Total Film magazine about her ability to be choosy when it comes to taking on new roles.

“I can read 40 scripts and they can all be huge movies that will make me tons of money, but if it doesn’t speak to me, I’m not going to do it,” she tells.

Miss Diaz continues, “I don’t consider [Knight and Day] a vehicle. I consider it a time of my life when I want to go out and do some action, have some fun and work with Tom again. I’m not interested in playing the same girl over and over again.”

Jonas Brothers and Demi Lovato: Press Junket Partners

Busily working through the weekend, the Jonas Brothers joined up with Demi Lovato at Disney/ABC Television Group's Summer Press Junket in Burbank, California on Saturday (May 15).

Held at the ABC Television Network Building, the "Camp Rock" stars took their turns posing for pictures at the event which also drew out Debby Ryan, Beth Ostrosky and Missy Peregrym, among others.
Earlier in the day, Nick, Joe and Kevin treated fans to a free outdoor concert at The Grove in Los Angeles.

Dishing out the hits including their new tune "LA Baby," a huge crowd swarmed the venue with stars such as David and Victoria Beckham turning up for the fun-filled afternoon show.

Jennifer Lopez and Marc Anthony: F1 Grand Prix Pair

Continuing along with their busy overseas schedule, Jennifer Lopez and Marc Anthony turned up at the Monaco Formula One Grand Prix event in Monte Carlo on Sunday (May 16).

Looking to be having quite the enjoyable time, the "El Cantante" couple visited with F1 supremo Bernie Ecclestone at the Monte Carlo Circuit while visiting the paddock area.
The previous evening, J. Lo and Marc got all dressed up as they partook in the Vanity Fair and Gucci Party at the Hotel Du Cap Eden Roc.

Mingling with guests including Kate Beckinsale, Naomi Campbell and Harvey Weinstein, the fancy affair honored legendary filmmaker Martin Scorsese

Justin Bieber and Usher: Wango Tango Twosome

Always a fan favorite, Justin Bieber was one of the most-anticipated acts taking the stage at Staples Center in Los Angeles, California on Saturday night (May 15).

After meeting up and posing for pictures with Usher on the arrivals carpet, the 16-year-old readies to take the stage as part of KIIS FM's Wango Tango.
Performing a seven song set, Bieber treated the crowd to tunes including "Love Me," "Somebody to Love," "U Smile" and "One Time."

Tweeting during the course of the night, Justin wrote, "time for WANGO TANGO!! me, akon, @ludajuice and @usherraymondiv all know eachother from living in ATL...time 2 bring the fun 2 LA. LETS GO!!"

Clearly happy with the outcome of his stage duties, he tweeted the following morning, "Last night at Wango Tango was awesome!"

Kristin Cavallari and Stephanie Pratt: Wango Tango Hotties

Stepping out for a fun-filled night on the town, Kristin Cavallari and Stephanie Pratt were side-by-side at Staples Center in Los Angeles, California on Saturday night (May 15).

The "Hills" hotties were all smiles as they joined up with Stacie Hall and David Hasselhoff on the KIIS FM Wango Tango red carpet
After making their arrival, Steph, Kristin and Stacie took a breather to grab up dinner at Katsuya before heading back to the Wango Tango happenings.

As for the concert extravaganza, acts taking the stage included Justin Bieber, Ke$ha and Adam Lambert, among many others.

Paris Hilton: Grand Prix Gorgeousness

Living it up overseas, Paris Hilton was spotted making her rounds in Monte Carlo over the weekend.

The hotel heiress stopped by to check out the Red Bull Formula 1 car during a party at the Red Bull Energy Station, where she proceeded to pose for sexy pictures while straddling the fancy ride.
With sister Nicky also in town during the Cannes Film Festival happenings, the Hilton gals hit up Flavio Briatore's famous Billionaire Party.

In related news, it was recently announced the Paris is launching her tenth fragrance named Tease this summer.

Talking about the offering, Miss Hilton told press, “Tease is a really sweet and flirty scent, so the name is very fitting. It’s playful and sexy–perfect for grabbing attention.”

Adam Lambert Rocks the Wango Tango Stage

Taking the stage to the thrill of his avid fans, Adam Lambert rocked out at Staples Center in Los Angeles, California on Saturday night (May 15).

The "American Idol" alum wan on-hand for the KIIS FM Wango Tango event, performing "If I Had You" and "Whataya Want From Me".
Tweeting about the event, Adam wrote to his fans and followers, "Wango Tango! I love my Band and Dancers!!! Thank you Monte, Tommy, LP, Cam, Brooke, Terrence, Taylor, Sasha! "

After the gig, the 28-year-old added, "I love my fans who showed up to Staples tonight! Next up: THE GLAM NATION TOUR!"

Hope Dworaczyk Named 2010 Playboy Playmate of the Year

Making their annual passing of the guard, Playboy hosted a fancy ceremony crowning the 2010 Playboy Playmate of the Year in Las Vegas, Nevada on Saturday night (May 15).

Held at The Palms Hotel & Casino, Hugh Hefner ran the show as he happily presented Hope Dworaczyk with the magazine's ultimate honor.
Drawing out plenty of star power, the Playboy fete saw lovely ladies including Holly Madison, Jayde Nicole and Crystal Harris all make appearances.

Meanwhile, George Maloof and Robin Thicke acted as the night's entertainers - treating the crowd to a fun-filled Sin City celebration.

Ke$ha: Wango Tango Wonderful

Keeping up with her demanding schedule, Ke$ha was among the stars at Staples Center in Los Angeles, California on Saturday night (May 15).

The 23-year-old playfully held up a mannequin head as she posed for pictures upon arriving at the annual KIIS FM Wango Tango event.
In related news, Ke$ha recently spoke with Rolling Stone about the meaning behind her hit single, "TiK ToK".

She tells, "I wrote that when I was really broke and didn't have a pot to piss in, but I was feeling really awesome. It's like a celebration of being young and broke. Maybe life isn't like quote-unquote 'perfect,' but you're not letting anything stop you from having a good time."

Ryan Phillippe: Flag Football Daddy Duty

Taking his turn with daddy duty, Ryan Phillippe was spotted out at his son Deacon's flag football game in Brentwood, CA on Saturday (May 15).

Showing off his buff body, the "Stop-Loss" stud wore a white tank top with jeans as he and daughter Ava watched all of the on-field action.
The outing comes shortly after Mr Phillippe turned up with a new lady at Drai's Hollywood for the Victoria's Secret's What Is Sexy? List party earlier in the week.

Offering up plenty of PDA with his latest flame, an onlooker tells, "He didn't seem to be hiding his affections for his new lady at all and didn't care that people were staring at them making out."

Ashley Greene's Wango Tango Night Out

Spending the weekend out on the town, Ashley Greene turned up at Staples Center in Los Angeles, California on Saturday night (May 15).

The "Eclipse" actress posed for pictures upon arriving for the KIIS FM Wango Tango event - which featured performances by the likes of "TiK ToK" singer Ke$ha among others.
A few days prior, Miss Greene was busy making her way to the Young Hollywood Awards at the Wilshire Ebell Theatre in Los Angeles.

Along with snatching up Style Icon of the Year honors, Ashley told press that - aside from her "Twilight" duties - she "would love to be in a movie musical."

Shia LaBeouf and Carey Mulligan: Loved Up Cannes Couple

Enjoying a romantic French outing, Shia LaBeouf and girlfriend Carey Mulligan were spotted leaving the famous Hotel Eden Roc in Cannes on Saturday (May 15).

The "Wall Street 2" co-star couple shared an intimate moment as they waited for their boat to leave dock while in town for the 63rd Annual Cannes Film Festival.
In related news, Shia chatted with press while in Cannes about his distaste for "Transformers 2, telling, "When I saw the second movie [in the series], I wasn’t impressed with what we did."

Gearing up to shoot the third installment of the Michael Bay directed series, LaBeouf adds, “There were some really wild stunts in it, but the heart was gone.”