Kristen Stewart Gives a Big Thumbs Up During a Break For Fresh Air

Kristen Stewart steps outside of a studio to get a little bit of fresh air on Thursday afternoon (May 7) in Los Angeles.

The 25-year-old Clouds of Sils Maria actress showed off her toned midriff with a tied-up white t-shirt and slouchy jeans.

PHOTOS: Check out the latest pics of Kristen Stewart

In case you missed the news, Blake Lively just signed on to co-star in Kristen‘s upcoming movie with Woody Allen.

10+ pictures inside of Kristen Stewart taking a break after a long day of work in L.A…