Weekend Roundup: Chuck Bass on WHCA, Jon & Kate Mediate.

How'd you like the WHCA dinner, Chuck Bass? (The CW)

Elsewhere in Style this weekend: Ed Westwick talks to Marissa Newhall about his second White House Correspondents' dinner and his "Gossip Girl" outfits... Jon and Kate Plus Dates? Our ideas for what they should call the new season... Bristol Palin graduates from high school; and a Biden niece has a little run-in with the law... Mariah Carey goes mousy for a movie role -- she replaced Helen Mirren. Really... Probation for the FBI agent with the hot actress-girlfriend problem.