Jennifer Aniston, Justin Theroux Double Date With Ben Stiller, Christine Taylor

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 James Devaney/WireImage.com; Stephen Lovekin/Getty Images

It's been a long time since Jennifer Aniston has been on a double date.

On Thursday, the 42-year-old Wanderlust star and her boyfriend Justin Theroux, 40, joined the actress' Along Came Polly costar Ben Stiller and his wife Christine Taylor for a late dinner at il Cantinori in New York City.

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"Jennifer and Justin were really cute together — affectionate but not over the top," a restaurant source tells Us Weekly. "They seemed to be having a lot of fun with Ben and his wife, like old friends." 

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The ever health conscious Aniston dined on the branzino with no oil on a bed of greens with no dressing. Theroux, meanwhile, had the filet and green beans.

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Though Stiller, 45, and Taylor, 40, left earlier than the hot new couple, "Ben paid for everyone," the source says.

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Theroux — who co-wrote Tropic Thunder with Stiller — has clearly won over Aniston's pals: the couple vacationed with Stiller and his wife in Kauai, Hawaii, in early August.

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