Jennifer Aniston is in NYC making the rounds. She was adorable on Letterman last night. Here's a clip from Letterman's site. click here but I can't watch since I'm on a mac but for those of you that can - enjoy - bottom line is he was giving her such a hard time about Vince. Jen and Dave clearly have a great relationship because she was pretty cool about the whole thing unlike when Jill Rappaport tried to do the same a few months ago. Jennifer was telling the story about the press junket for The Break Up and one of the foreign press journalist asked her about her hardest break up.... she said it with a smile. It was pretty funny to watch her laugh about the whole thing.

Dave was obsessed with her legs. He kept commenting on them and I must say they did look unbelievable.

As for her new man Vince, US Weekly reports they kept their distance at the premiere and post-party in LA but they clearly kept their eyes on each other throughout the evening. We look forward to when they admit they are together.

According to a witness, “They hugged quickly and looked like an effortless couple. They both looked relieved to see each other even if it was just for a quick minute before beginning their night apart.� For the next few hours the couple worked the room separately, mingling with the likes of Stacey Kiebler, Alyssa Milano, Joey Lauren Adams, John Favreau and Amanda Bynes. Aniston sipped on her signature dirty martini and Vaughn stayed on his best behavior, nursing one glass of champagne throughout the night.

“Jen looked so happy,� a partygoer tells Us. “She had a constant huge smile on her face.� At around midnight, after most of the guests had left, the two planned their separate getaways. “Vince was taking notice of Jen’s movements and when she left he definitely made it clear that he wanted to quickly follow and join her.�

Lots more fabulous pictures of Jennifer in NYC so read more

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