Hottie Mitchel Musso snaps a pic with Gwen Stefani at A Very Special Chrismas Party held at the Shriver’s in Santa Monica, Calif., on Monday evening (November 16). The 17-year-old musician, along with Colbie Cailat and the Carter Twins (pictured below), are featured on A Very Special Christmas, Volume 7 CD which benefits Special Olympics. A Very Special Christmas, Volume 7 hits shelves NEXT WEEK, November 24th. Preview the tracks on Amazon.com and be sure to pick your copy up! source.