Kristen Bell was in a movie.
Kristen Bell . In 2004 , she had a supporting role in the film Spartan and received praise for her first leading performance in Gracie 's Choice . In 2008 , she had her breakout film role as the title character in Forgetting Sarah Marshall . Bell garnered further recognition for voicing Princess Anna in the Disney film Frozen ( 2013 ) , the short film Frozen Fever ( 2015 ) , and the upcoming Frozen 2 .