Best of 2011: Hottest Hookups
Lady Gaga and Taylor Kinney
The pop star met the hunky Vampire Diaries star on the set of her "You and I" video in July. "They're hooking up and getting to know each other," said a source close to Gaga. But the pair -- who were spotted leaving NYC's Alvin Ailey dance studio in mid-October -- aren't serious.