Lady Gaga, Tony Bennett set to light up the Christmas tree at Rockefeller Center in New York tree party this year.

Lady Gaga and Tony Bennett are among the stars lining up to help light up the Christmas tree at Rockefeller Center in New York this year.

The superstar singers are joining Today show anchors Matt Lauer, Savannah Guthrie, Al Roker and Natalie Morales for the

Christmas in Rockefeller Center special airing Dec. 3, on NBC at 8 (live) ET/ (tape-delayed) PT.

Also on the list of performers set to rock around the tree: Cyndi Lauper, Seth MacFarlane featuring Sara Bareilles, Idina Menzel,Pentatonix, LeAnn Rimes and Trisha Yearwood.

The highlight of the 82nd annual celebration will be the lighting of an 85-foot tall Norway Spruce from Hemlock Township, Penn. It is approximately 90 years old and weighs approximately 13 tons, according to NBC.