Kelly Clarkson
The singer brings the "Heat" to New York City.
Ashlee Simpson-Ross & Evan Ross
The "I do" singers and their kids bundle up before Diana Ross' performance.
John Legend
The singer lip syncs "Have Yourself a Merry Little Christmas."
Rita Ora
The pop star performs "Let You Love Me" off her album Phoenix.
Ashley Tisdale
The "Voices in My Head" singer is wrapped in red.
Bad Bunny
The Puerto Rican performer makes people feel good with "Estamos Bien."
Diana Ross
The living legend ushers in the holiday season with "Wonderful Christmastime."
Leona Lewis
The British songbird wakes the crowd up with "One More Sleep."
Martina McBride
"It's the Most Wonderful Time of the Year," indeed!
Ally Brooke
The solo star covers Wham!'s "Last Christmas."
Tracee Ellis Ross
The black-ish actress models Gucci shades.
Sugarland
The country duo belts out "Babe."
Bazzi
The singer-songwriter mimes to "Mine."
Pentatonix
The a capella group wonders "Where Are You Christmas?"