Are Owen Wilson & Rachel McAdams dating?

Owen Wilson and Rachel McAdams may be more than just good friends and co-stars.

Owen has has apparently been flirting with the Mean Girls actress on the set of their new movie Midnight In Paris.

“After one scene at a flea market in St Ouen outside Paris, Owen was playing with her hair and being really affectionate,” a source told British newspaper The Sun.

“Even for a pair of luvvies, it was very flirtatious.”

“The gossip on set is that they are an item off screen.”