Seth Rogen is off the market! The actor and his girlfriend Lauren Miller are engaged, a source confirms to PEOPLE.
"Seth is so excited," the source says. "Lauren is such a sweet girl. She makes him really happy."
Miller, also 28, who lives with Rogen in his Los Angeles home, has had small roles in a few of his films, including Superbad and Zack and Miri Make a Porno.
