Julianne, 31, and Derek, 34, will perform musical and dance numbers in the upcoming special Holidays with the Houghs.
Holidays with the Houghs is a one-hour show that gives Julianne and Derek's spin on holiday classics. The special will feature guest appearances from the pair's celebrity friends, comedy sketches and surprises.
"Derek and Julianne are incredibly talented siblings who continue to dazzle audiences with their remarkable performances," NBC Entertainment EVP of specials Dough Vaughan said ina statement.
Julianne and Derek will executive produce the special with Corin Nelson and Ashley Edens-Shaffer. Julianne and Derek shared their excitement about the project in Instagram posts Wednesday.
"Who's ready for the most wonderful time of the year?!? #HolidaysWithTheHoughs," Julianne wrote.
"This should be fun #HolidaysWithTheHoughs #nbc #christmas #variety #entertainment," Derek added.
Julianne and Derek both served as pros on Dancing with the Stars. Derek now serves as a judge on World of Dance, while Julianne judges America's Got Talent.