It's been rumored Jennifer Aniston is dating Justin Theroux -- and now there's proof!

TooFab caught the former "Friends" star and Theroux, who starred in "Charlie's Angels" and wrote "Iron Man 2," after a dinner date last night at one of Jen's favorite places: Sunset Tower.

The two met on the set of their upcoming movie together "Wonderlust" and, according to PEOPLE, Jen has already introduced him to her best friends Courteney Cox and Chelsea Handler.

Aniston, 42, and Theroux, 39, have reportedly been seeing each other for a few weeks.

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