Do Patrick Schwarzenegger & Miley Cyrus Talk About Marriage?

Patrick Schwarzenegger is super scruffy while running errands on Friday afternoon (March 13) in Brentwood, Calif.

According to TMZ, the 21-year-old actor and his girlfriend Miley Cyrus have casually talked about getting married some day in front of family and friends.

PHOTOS: Check out the latest pics of Patrick Schwarzenegger

“Today is the big day to join my mom and so many other empowered women who are wiping out Alzheimer’s!! Women’s brains are worth it,” he recently tweeted.

Earlier in the week, Patrick and Miley stepped out for dinner at Palm Restaurant in Beverly Hills.

10+ pictures inside of Patrick Schwarzenegger out and about…