Alison Brie and Dave Franco are engaged.

The Mad Men actress and James Franco sibling, who have been dating for three years, are getting married. And according to People, Brie is now wearing a no-joke diamond. You know, it's just so heartwarming when really attractive people double up.

Congratulations to the happy couple, and may you share many laughs when James Franco says super weird stuff at family gatherings for the rest of your lives.

Sources: People