Tony Award winner Idina Menzel will sing the U.S. National Anthem and conduct a special on-field performance as part of the pre-game ceremony — honoring the 30 winners in the "Target presents PEOPLE All-Star Teachers" program — at the 2014 MLB All-Star Game, which will air July 15 on FOX.
SOURCE: Playbill at 10:52AM on July 8, 2014