Bradley Cooper and Zoe Saldana have definitely kissed, as you can see in the photographic evidence above. However, that kiss was for the cameras -- she's his love interest in their upcoming flick The Words. But, we hear all this practicing on the set has led to a real life romance!
A source who goes unnamed, and undoubtedly knows everything, told E! Online: "They are totally dating."Apparently they've been hanging out a lot outside the set, and even planned to go on a romantic ski trip in the Rockies over the holidays. They were previously seen enjoying a swanky dinner in Manhattan, off the clock. A rep for Saldana said about a month ago that the two are strictly friends. But, we've heard that before. Here's proof: