updated 08/13/2012 AT 7:20 AM ET
•originally published 08/12/2012 AT 7:20 PM ET
is getting married to boyfriend Justin Theroux!
“Justin Theroux had an amazing birthday on Friday, receiving an extraordinary gift when his girlfriend, Jennifer Aniston, accepted his proposal of marriage,” his rep tells PEOPLE exclusively.
Aniston, 43, and Theroux, 41, an actor-screenwriter, have been dating for more than a year.