Crews 
Pharrell Williams and Gwen Stefani will fill in for CeeLo Green and Christina Aguilera on season 7 of the singing competition“The Voice” as coaches, but before the two take their spot in the big red chairs they got acquainted with their new family on Monday’s top 8 performance show.
Taking to the stage Pharrell kicked it off with his new single “Come Get It Bae” before joining Gwen for her hit “Hollaback Girl” which he produced from her debut solo album. Check out both hot performances below.
