'The Voice' Exclusive: How Did Blake Snag Cher?

Historically The Voice judges have tapped their friends to serve as guest mentors every season, which is why Team Blake has thrived under the tutelage of Reba McEntire, Kelly Clarkson, Miranda Lambert and Sheryl Crow among others. So when it was announced that Cher would be stumping for Team Blake in season five, heads were most definitely scratched.

ET FIRST - On The Voice Set with Cher & Blake

Well, ETonline has cracked the mystery and discovered exactly how Cher came to collaborate with Blake -- and it's all thanks to one man!

Find out who is to thank for this winning combination in ETonline's exclusive sneak peek clip!

The Voice airs Mondays at 8 p.m. and Tuesdays at 9 p.m. on NBC.