The pair met on the set of new movie Paper Heart and th...
An insider, who spotted them during a cosy night out in New York last week (02Oct10), tells the tabloid, "They were very lovey-dovey with each other. When they weren't kissing, he was making her giggle."
Emma Stone, 21, has previously dated actor Ryan Findley, while Kieran Culkin, 28, counts True Blood star Anna Paquin among his ex-girlfriends.
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