[Image via Apega/WENN.]
Frozen star Kristen Bell has never gotten naked in a movie, but we guess she thought the time was finally right to bare all!
On daytime TV. For Ellen DeGeneres. WTF is going on??
It's all part of Kristen's latest TV obsession, the survival reality show Naked And Afraid!
Ch-ch-check out the video (above) to see the crazy clip of KBell in the buff battling the elements!