Best of 2010: The 10 Best Music Collabs We Couldn’t Stop Singing This Year
Our iPods were very happy this year, keeping busy with songs from the likes of our faves like Justin Bieber, Lady Gaga and Rihanna. But when those megastars are paired with other megastars? The result is music magic.
Which collab on our list was your favorite? What was the ultimate song you had on repeat all year? Tell us your picks!