Ashlee Simpson: Workin' It for 'Chicago'!

Ashlee Simpson is casual comfy while making her way to a studio on Saturday (July 20) in Los Angeles.

The 28-year-old entertainer was accompanied by a close gal pal.

PHOTOS: Check out the latest pics of Ashlee Simpson

“Workin it! #Chicago #HollywoodBowl #Goooodnight,” Ashlee tweeted with a Chicago rehearsal pic the day before. Check out the pic below!

In case you forgot, Ashlee is starring as Roxie Hart in Chicago, which will play from July 26-28 at the Hollywood. Buy your tickets now!

10+ pictures inside of Ashlee Simpson walking to a studio…