Jennifer Aniston and Justin Theroux's Sweetest Couple Pictures

Jennifer Aniston and Justin Theroux are engaged! He popped the question on Friday, his 41st birthday.

We're celebrating by sharing the duo's cutest photos since they met filming Wanderlust in 2010. They were officially stepping out together a year ago, looking glowing and happy at events or on walks around NYC. Jen and Justin have also taken their love abroad, enjoying sun-filled holidays in Europe. Congrats to Jen and Justin — click through to see their sweetest moments!

Splash News Online and WireImage