Mark Ruffalo and wife Sunrise Coigney seem happy as they depart LAX.

Joe Jonas keeps his cool as he arrives to L.A.

Actress Angie Harmon plays with a puppy after a photo shoot in Venice.

Martha Stewart keeps warm as she visits the Late Show With David Letterman in New York.

Julianne Hough shows us she’s crazy for puppy love!

Melissa Etheridge rocks during her first night performing in the Broadway production of Green Day’s ‘American Idiot’ as St. Jimmy in NYC at the St. James Theatre.

Nickey Hilton was snapped after browsing around DVF on Melrose Ave. in West Hollywood.

Congratulations Adam! Adam Sandler accepts his star on the Hollywood Walk of Fame with his wife Jackie and their daughters Sadie and Sunny by his side.

Justin Bieber arrives to the Toronto premiere of his new movie, “Never Say Never,” with dad Jeremy, mom Pattie, and adorable little sister Jazmyn.

Co-stars Rachel Bilson and Tom Sturridge cuddle up for photos at the Los Angeles premiere of their new flick “Waiting for Forever”.

Lady in white, Hilary Swank was spotted in a good mood while out in Brentwood with a friend.

Yummy! Zuma and Gavin Rossdale enjoy a yogurt after visiting a doctor in West Hollywood.

Got Milk? Julianne Hough unveils her new milk ad at the Hearst Tower in New York City.

Excuse me Ellen, do you paint houses on the side? ‘Grey’s Anatomy’ star Ellen Pompeo stepped out in West Hollywood for a hair appointment at Serge Normant at John Frieda Salons.

Inseparable father son duo, Pete and Bronx Wentz were spotted grabbing a coffee at the Beverly Glen Mall in Los Angeles.

TV personality and DWTS Alumn Brooke Burke signs a copy of her new book, ‘The Naked Mom’ at BOOKENDS in Ridgewood, NJ.

Looking cute in a tight black mini, Elizabeth Banks films “Welcome to People” in LA!

Minka Kelly and Leighton Meester looked gorgeous at the Soho Apple Store in NYC to discuss their new thriller, “The Roommate”.

Weird Al acted like his usual self while doing a book signing for ‘When I Grow Up’ at Barnes & Noble in Princeton, NJ.

Kelly Rutherford snacked on a CRUMBS cupcake backstage at ‘Good Day New York’ before heading out to discuss her new handbag line for QVC.

Talk about two happy girls! Alyson Hannigan and daughter Satyana were spotted smiling ear-to-ear in Beverly Hills.

It looked like Jeremy Piven had a pep in his step after grabbing some items from LA’s Kitson boutique.

Jessica Szhor kept it casual but cute for the NYC premiere of “The Roommate”!

Paris Hilton was snapped leaving the Kate Sommerville Salon in West Hollywood!

Ricky Martin performs for fans in NYC during the his album release party for ‘Musica + Alma + Sexo’!

Newlyweds Joel Madden and Nicole Richie stop for a quick photo while taking a romantic stroll around the City of Love.

Rachel Bilson was the definition of femininity as she stopped by E! Studios, in West LA, for an appearance on ‘Chelsea Lately’.

Jon Bon Jovi keeps warm with a cup of coffee as he makes his way to the NYC set of “New Year’s Eve’.

Pregnant and glowing, Selma Blair was spotted picking up a few items from a Los Angeles pharmacy.

Australian pop princess Kylie Minogue steps out of her London home sporting her gorgeous smile!

Little Miss Suri Cruise eats a sweet treat while out in Vancouver with mom Katie Holmes!

Jersey Shore star Pauly D greets the cameras as he leaves his NYC hotel!

Carmen Electra was luscious in leather for a meeting in Los Angeles!

Justin Bieber and director Jon Chu arrive to the Regal E Walk 13 for the NYC premiere of “Justin Bieber: Never Say Never”.

Kate Walsh was beautifully trenched in beige after an appearance on the ‘Late Show with David Letterman’ in New York City.