Christmas in Rockefeller Center

The 91st annual tree-lighting ceremony kicks off the holiday season with a dazzling display of musical talents, star-studded surprises, and the lighting of the Rockefeller Center Christmas tree; Emmy and Grammy Award winner Kelly Clarkson hosts.

NBC News' TODAY co-anchors Savannah Guthrie, Hoda Kotb, Al Roker, and Craig Melvin co-host the highly anticipated holiday special. 

Before the special, an additional live hour broadcasts on various NBC channels and affiliates nationwide, starting at 7 p.m. ET and hosted by ACCESS Hollywood Host Mario Lopez and WNBC anchors Natalie Pasquarella and David Ushery.

Hosted by Kelly Clarkson, the dazzling display of musical talents, star-studded surprises, and the lighting of the world's most famous Christmas tree remains one of the holiday season's most anticipated events. Audiences are treated to festive performances by an all-star lineup of musical guests featuring Backstreet Boys, Dan + Shay, Megan Hilty, Jennifer Hudson, Coco Jones, Little Big Town, RAYE, and Thalia. In line with tradition, the Radio City Rockettes, stars of the annual Christmas Spectacular at Radio City Music Hall, will wow viewers with a festive performance. NBC's "TODAY" anchors Savannah Guthrie, Hoda Kotb, Al Roker, and Craig Melvin will once again join the tree lighting for a special appearance.

Continuing a tradition spanning over nine decades, NBC celebrates the holiday season with the annual lighting of one of the world's most famous trees in the heart of New York City during the beloved "Christmas in Rockefeller Center." Hosted by Reba McEntire, the dazzling display of musical talents and star-studded surprises remains one of the holiday season's most anticipated events.

Audiences will experience a star-studded evening of festive performances from many musical guests, including Marc Anthony, Halle Bailey, Michael Bublé, Kristin Chenoweth, Laufey, New Edition, Brad Paisley, Carly Pearce, the Radio City Rockettes, and Gwen Stefani. In line with tradition, the Radio City Rockettes, celebrating their 100th anniversary this year, will wow viewers with a festive performance. NBC's "TODAY" anchors Savannah Guthrie, Craig Melvin, and Al Roker will join the tree lighting for special appearances.

The annual holiday special celebrates the lighting of a 75-foot-tall, 45-foot-wide Norway Spruce from East Greenbush, NY. The tree weighs approximately 11 tons, will be adorned with more than 50,000 multi-colored LED lights, and topped with a three-dimensional Swarovski star.