VIDEO: Ariana Grande Performs 'Love is Everything' on NBC

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The tree at New York's Rockefeller Center was not the only thing that lit up on last night's CHRISTMAS AT ROCKEFELLER CENTER on NBC. 'Sam & Cat' star Ariana Grande also lit up the crowd with her joyful performance of 'Love Is Everything.' Check out the appearance below courtesy of MTV.com!

NBC celebrated the lighting of the world's most famous Christmas tree with a live broadcast from Rockefeller Center® in New York City on Wednesday, Dec. 4 (8-9 p.m. ET).

The star-studded holiday special was hosted by "Today" anchors Matt Lauer, Savannah Guthrie, Al Roker andNatalie Morales, and featured performances from Mary J. Blige, Toni Braxton, Mariah Carey, Kelly Clarkson, Kenny "Babyface" Edmonds, Goo Goo Dolls, Ariana Grande, Jewel, Leona Lewis, Audra McDonald and The Rockettes. McDonald also stars in "The Sound of Music Live!" on NBC, airing tonight, Dec. 5 (8-11p.m. ET).

The 81st annual holiday extravaganza will feature a 76-foot Norway Spruce that is 47 feet in diameter and weighs approximately 12 tons. The tree is estimated to be about 75 years old. More than 45,000 energy-efficient multi-colored LED lights will be strung to decorate the tree, topped with a 9 ½ foot wide LED-lit Swarovski crystal star.

Photo: David Giesbrecht/NBC

Video courtesy of MTV.com

VIDEO: Ariana Grande Performs 'Love is Everything' on NBC


More On: Ariana Grande, NBC, Matt Lauer, Savannah, Al Roker, Natalie Morales, Mary J. Blige, Toni Braxton, Mariah Carey.

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