Kristen Bell & Dax Shepard - Do Something Awards 2012!

Kristen Bell and her longtime love Dax Shepard walk the blue carpet at the 2012 Do Something Awards held at Barker Hangar on Sunday (August 19) in Santa Monica, Calif.

The 32-year-old actress is up for the Do Something Twitter Award tonight. She is up against Lady Gaga, Miley Cyrus, Justin Bieber, and Ian Somerhalder.

PHOTOS: Check out the latest pics of Kristen Bell

Kristen and Dax‘s new film Hit & Run will be hitting theaters on August 22.

FYI: Kristen is wearing a Jenni Kayne dress and Jimmy Choo shoes.

Make sure to tune in to the 2012 Do Something Awards on Tuesday (August 21) at 9pm EST on VH1!