Jennifer Aniston and Justin Theroux engaged: Report

Take that, Brad.

Jennifer Aniston got engaged to boyfriend Justin Theroux on Friday after dating since May 2011, according to reports published Sunday.

Aniston, 43, and Theroux, 41, reportedly spent his birthday on Friday together, when the actor/writer proposed to Aniston.

"Justin Theroux had an amazing birthday on Friday, receiving an extraordinary gift when his girlfriend, Jennifer Aniston, accepted his proposal of marriage," reported People.com, citing an unnamed rep for Theroux.

The pair starred together in the film "Wanderlust," which came out earlier this year.

The news comes as rumors swirled of a possible wedding between Brad Pitt -- to whom Aniston was married from 2000 to 2005 -- and Angelina Jolie.

Reps for Aniston and Theroux didn't return requests for comment.