Robert Pattinson & Reese Witherspoon: ACM Award Presenters!

Robert Pattinson and Reese Witherspoon put on their Sunday best for the 2011 Academy Of Country Music Awards held at the MGM Grand Garden Arena on Sunday (April 3) in Las Vegas, Nevada.

Reese, 35, and Rob, 24, presented an award to Miranda Lambert for Female Vocalist of the Year.

The actors stars in the upcoming movie, Water for Elephants, which opens on April 22nd. Christoph Waltz also co-stars in the Francis Lawrence-directed film where a veterinary student leaves his studies and joins a circus as a vet.

FYI: Rob is wearing a Prada suit, tie and dress shirt.