Michael Bublé returns to NBC Wednesday, Dec. 18 at 10 p.m. ET with another star-studded holiday Christmas special. The multi-Grammy Award winning singer is joined by guest stars Mariah Carey and Mary J. Blige, as well as Cookie Monster, on holiday favorites including The Christmas Song, Rudolph the Red-Nosed Reindeer and I’ll Be Home for Christmas. Michael shares his experiences working on his third special, reveals his favorite Christmas song and holiday plans, and sends a very special holiday message to his fans in the video above. For more one-on-one interviews with NBC's brightest stars, visit NBCUDirect.com