YouTube's Most-Watched Music Videos of 2010

#1. Justin Bieber- "Baby"
Super-sensation Justin Bieber’s song “Baby” was a chart-topper around the world. The dream-date video (with a tip-of-the-hat to Michael Jackson) remains the most viewed YouTube video ever.

#2. Shakira- "Waka Waka (This Time For Africa)"
Shakira’s official song for the 2010 FIFA World Cup was a hit across the globe. The video set the stage for the year’s biggest sporting event, celebrating the greatest moments in World Cup history.

#3. Eminem & Rihanna- "Love the Way You Lie"
Eminem and Rihanna were destined to make one of 2010’s biggest hits. The (literally) explosive video with Megan Fox and Dominic Monaghan broke the YouTube record for most views in its first 24 hours.

#4. Eminem- "Not Afraid"
2010 was the year of Eminem’s Recovery and “Not Afraid,” his anthem to survival, announced his return to the top. The video does the same, taking Eminem from the streets to the top of the world.

#5. Rihanna- "Rude Boy"
Topping the charts around the world, Rihanna’s hottest hit gives a nod to Jamaican dancehall and ska with a color-soaked music video inspired by her own roots in Barbados.

#6. Justin Bieber- "Never Say Never"
Justin Bieber meets Karate Kid Jaden Smith, who follows in daddy Will “Fresh Prince” Smith’s footsteps, making his rapping debut on the theme song to his acting debut in The Karate Kid.

#7. Justin Bieber- "Never Let You Go"
Teen heartthrob Justin Bieber melted hearts by showing a seriously soulful side in this moody video shot at the Atlantis resort in the Bahamas.

#8. Lady GaGa- "Alejandro"
Lady Gaga once again courts controversy, this time by dressing up as a nun and dancing with soldiers in her video for "Alejandro," directed by legendary fashion photographer Steven Klein.

#9. Justin Bieber Feat. Usher- "Somebody to Love"
Justin Bieber displays his smooth moves and departs from his usual crooning on this upbeat dance track with mentor Usher. And with that, Bieber’s domination of the 2010 charts is complete.

#10. Lady GaGa & Beyoncé- "Telephone"
A throwback to big-budget epic-length music videos, "Telephone" pairs dueting divas Gaga and Beyoncé for a freaky-but-fashionable crime spree that would do Quentin Tarantino proud.