On the town

Seen on the scene:

• Despite recent rumors of a split, Jessica Alba and boyfriend Cash Warren are still an item. "Jessica and Cash are at different places in their lives right now, but they're trying to work out their problems," says a source.
• An April 28 fundraiser for Barack Obama is lining up to be an A-list event. For the price of a $500 ticket, you could mingle with the likes of Scarlett Johansson, Jessica Biel, Adam Brody, Rosario Dawson and Taye Diggs.
  
• Ryan Gosling had lunch at Da Silvano in NYC this week before attending a screening of his new flick Fracture with his mom. Gosling and girlfriend Rachel McAdams are rumored to have split.
• Julianne Moore, Claire Danes and Sex & the City alum Cynthia Nixon are expected to attend Conde Nast Traveler's Hot List party tonight at the Bowery Hotel.

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