VIDEO: FROZEN's Idina Menzel and Kristen Bell Perform on ABC Holiday Special

Tony Award-winning actress Idina Menzel joined fellow FROZEN star Kristen Bell to perform together for the very first time on primetime television, during last night's THE WONDERFUL WORLD OF DISNEY: MAGICAL HOLIDAY CELEBRATION. From the steps of Sleeping Beauty Castle at Disneyland Resort in California, the two superstars were 30-piece choir for a performance of "When We're Together" from the brand-new Walt Disney Animation Studios featurette, OLAF'S FROZEN ADVENTURE. Check out the appearance below!

"This performance will combine two of my very favorite things: the holidays and singing alongside my 'Frozen' sister, Idina Menzel," said Bell prior to the performance. "I'm excited to sing a song with Idina that I feel has the potential to become a new holiday classic."

Added Menzel: "Anytime I get to reunite with Kristen, whether it's in the studio or on the stage, is very special for me. I think I can speak for her when I say we are both so proud of this story we get to tell and these sisters we get to portray."

Image courtesy of ABC