Julianne Hough: 'Rock of Ages' on Hollywood & Vine

Julianne Hough waves to the cameras as she leaves an acting class on Friday afternoon (January 27) in Los Angeles.

Earlier this week, the 23-year-old actress was out and about in Hollywood, doing exterior shots for Rock of Ages.

“It’s a cold and rainy day here on set! Getting ready to get on the Greyhound bus that Sherrie takes from OK to LA! :)” Julianne tweeted.

PHOTOS: Check out the latest pics of Julianne Hough

Julianne added about the scene set, “Hollywood and Vine… Is it cool or frightening that we can’t tell who is our background and who is actually walking around… #80′swardrobe.”

10+ pics inside…