Congratulations Post Malone feat. Quavo
19 October 2015, 12:46
Rihanna's been giving a helping hand to budding musicians in her role as lead advisor on 'The Voice'.
Just when you thought 'The Voice' wasn't entertaining enough, they go and hire none other than the brilliant Rihanna as key advisor on series nine.
Pharrell, who is a regular coach on the US version of the TV series, called in his 'Diamonds' friend for reinforcement, much to his contestants surprise.
Watch what happened below: