Reese Witherspoon's Monster Mash

Reese Witherspoon and costar Kiefer Sutherland (pictured below) arrive for the premiere of their new animated flick Monster Vs Aliens at the Vue West End Cinema on Wednesday (March 11) in London.

The 32-year-old actress wore a black Prada dress with a jeweled neckline and puff shoulders.

“I loved the experience,” Kiefer said of the movie. “It was a breath of fresh air.”

35+ pictures inside of Reese Witherspoon‘s monster mash…