Chris McGuire

Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.

The mismatched couple hosts a holiday-themed variety hour featuring skits, bits and musical visits from Ashlee Simpson, Brian McKnight and the guys from 98 Degrees, who join Nick for a rendition of “I'll Be Home for Christmas.”

Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.

The mismatched couple hosts a holiday-themed variety hour featuring skits, bits and musical visits from Ashlee Simpson, Brian McKnight and the guys from 98 Degrees, who join Nick for a rendition of “I'll Be Home for Christmas.”