TV and Movies·Posted on Mar 3, 2014Watch Idina Menzel Perform "Let It Go" At The 2014 OscarsThe Broadway star behind Elsa belts the movie's most famous song. It's the tune that launched a thousand covers, and this performance will probably launch a thousand more.by Erica FuttermanBuzzFeed StaffLinkFacebookPinterestTwitterMail oscar.go.com "Let It Go" is so good, it won the Oscar for Best Original Song and earned songwriter Bobby Lopez an EGOT. Good job, Elsa! I mean, Adele Dazim! I mean, Idina! Via gph.is