What music puts Christina Aguilera in the mood? The judge of NBC’s “The Voice” shares her iTunes playlist, which includes two songs with Rihanna, a “Monster” hit from Kanye West, another big-voiced songstress, and the Nicki Minaj song she listened to while promoting her musical Burlesque.

9. “Monster” – Kanye West, Jay-Z, Rick Ross, Nicki Minaj, & Bon Iver
“Song gets me going!”

10. “Did It On’em” – Nicki Minaj
“This was my SONG during my promo tour for my last movie.”