Today’s celebrity rundown (17 photos)

In case you were still wondering, Mary Kate Olsen, 26, is still dating 42-year-old Olivier Sarkozy. Weird.

Two new stills of Michael Cera were released from his upcoming movie, ‘Magic, Magic.’

Ashley Greene is Seventeen Magazine’s December/January 2012-2013 issue. She talked about filming the final ‘Twilight’ film during her interview.

“We secretly coordinated a surprise dance-off during a scene! We were all in on it, but [the director] Bill Condon didn’t know. [All the vampires] were supposed to charge at each other and destroy each other, and instead we just started dancing! Everyone did it—the Cullen clan and probably 20 vampire extras! It was such an amazing way to end it all.”

First Look: Emma Roberts and John Cusack stills were released for ‘Adult World.’

“The film brings together a pretty intriguing cast with Emma Roberts, John Cusack, Evan Peters (“American Horror Story”), Shannon Woodward (“Raising Hope”), Cloris Leachman and John Cullum, in a satirical coming-of-age comedy, centered on the life of Amy Anderson (Roberts) who has just graduated with a degree in poetry.”

Big breakup news was announced over the weekend. Justin Bieber and Selena Gomez are no longer lovers. The two broke up over a week ago. Do you think the split will last? -source

Rachel Bilson and Lauren Conrad celebrated the one year anniversary of ShoeMint in West Hollywood. ‘The Hills’ star tweeted:

“Happy 1st birthday @shoemint! http://Happy 1st birthday @shoemint!”

‘The Wizard of Oz’ dress worn by Judy Garland (aka Dorothy) was sold at an auction for $480,000.

Are you a a ‘Boy Meets World’ fan? Check out 5 love lessons to learn from Cory and Topanga HERE.

Do you think Liam Hemsworth likes Miley Cyrus’ hair? The two were out and about in Los Angeles together yesterday.

Justin and Jessica Timberlake helped out Sandy Victims with Timbaland in Queens, New York on Saturday.

Jennifer Lawrence attended a screening for her upcoming film, ‘Silver Linings Playbook.’ The movie also stars Bradley Cooper, Robert De Niro and Chris Tucker also star in the movie.

Cameron Diaz and Leonardo DiCaprio teamed up for a charitable cause in NYC. The event was called A Night Under the Stars which benefited UN Women and New York Care’s Sandy relief.

Jake Gyllenhaal was spotted with a mystery lady in New York. Ooooooh who could she be?

Jessica and Ashlee Simpson came together to sign autographs for their joint clothing line for Macy’s. Jessica is 60 lbs down since the birth of her baby.