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More Than Friends

Originally posted Thursday October 20, 2005 06:00 AM EDT

Jen (on Sept. 3) models a $25 tank that Vaughn's sister Victoria, who co-owns Big Sway Denim, made for his comedy tour. Photo by: SACHA / X17

The locations changed, but the lip-locking results were the same over the next several days. They were later spotted smooching Oct. 13 at Gibson's, a Chicago steak house, where Aniston tried to pick up the tab until Vaughn thwarted her. "She was kind of sneaky," says Mario Lamas, who served them, "and gave somebody a credit card. But Vince is from Chicago and she was his guest. There's no way she was going to pay."

Aniston was spotted kissing Vaughn on her hotel balcony later that night, as well as the following afternoon. They appeared on the balcony again early on Oct. 15, reading the morning newspapers. A couple of hours later, Vaughn was spotted by a guest downstairs in the men's spa, asking the attendant for a toothbrush. Says the guest: "He seemed happy."

Then again, Aniston has had that effect on him from day one of The Break Up, as the pair immediately clicked on-camera. "They loved working together," says costar Justin Long. "It's very palpable." However, it was restricted to before the cameras. "When I was on the set, they weren't [an item]," says Favreau, who also costars. "There was social interaction, but it wasn't overtly romantic."