Television giant TNT is ringing in the holidays in musical style, with its fifth annual Christmas in Washington presentation. This year, it features Tony-winning performer Kristin Chenoweth, Grammy winners Darius Rucker and singer, songwriter and producer, Raphael Saadiq.

In the Christmas show, she sings both "Santa Baby" and a duet with Rucker, "Mary Did You Know."

Many know Julianne Hough from the hit TV show "Dancing With the Stars." She's now released a country music album. In the Christmas show, she sings both "Santa Baby" and a duet with Rucker, "Mary Did You Know." Also making an appearance is the cappella group Straight No Chaser, which performs its YouTube hit, "The 12 Days of Christmas" medley.