Jennifer Aniston engaged and set to marry Justin Theroux

Jennifer Aniston and boyfriend Justin Theroux, who have been dating since May 2011, are now engaged.

Theroux proposed to her on Friday on his 41st birthday and Jenifer said yes.

"Justin Theroux had an amazing birthday on Friday, receiving an extraordinary gift when his girlfriend, Jennifer Aniston, accepted his proposal of marriage," Theroux's representative told People magazine.

Justin Theroux is an actor and screenwriter and has acted in films like Mulholland Drive, Charlie's Angels: Full Throttle, American Psycho and Inland Empire.

Jenifer (43) is famous for her role as Rachel Green in T.V. series "Friends" and has acted in films like Bruce Almighty, The Break-Up, Marley & Me, Just Go with It and Horrible Bosses.

They were seen together in the film Wanderlust and they began dating during that time.

Aniston was previously married to actor Brad Pitt from 2000-2005 while this will be Theroux's first marriage.