Idina Menzel to sing national anthem at Super Bowl XLIX

Idina Menzel, a Broadway star and the voice of Elsa in the 2013 film “Frozen,” will sing the national anthem before Super Bowl XLIX at University of Phoenix Stadium in Glendale, Arizona, the NFL said Friday. Menzel’s rendition of “Let It Go” in “Frozen” went all the way to No. 5 on the Billboard Hot…