Alex Pettyfer: Engaged to Riley Keough?

Alex Pettyfer and his girlfriend, Riley Keough, go out to lunch together at Le Petit Four on Monday (March 12) in Los Angeles.

The couple is rumored to be engaged – Riley was spotted wearing what looks to be an engagement ring.

PHOTOS: Check out the latest pics of Alex Pettyfer

During lunch, Alex, 21, excused himself to answer a phone call. When he came back to the table, he gave Riley a kiss. Aww!

Alex and Riley star together in the upcoming film Magic Mike – she plays a fellow stripper who’s a bad influence on Alex‘s character!

Magic Mike will hit theaters on June 9 – we can’t wait!!

FYI: Alex is wearing Puma athletic wear!