Justin Bieber’s “Baby” was the Most Viewed video in the UK in 2010. Is it his hair? Is it that babyface? Who cares: he’s huge on YouTube.

Most Viewed Videos in the UK

1. Justin Bieber’s “Baby”

2. Eminem's “Love The Way You Lie”

3. Eminem, “Not Afraid” was also huge on YouTube in the UK.

4. B.o.B, “Airplanes”

5. Rihanna Rude Boy

6. Katy Perry – ft snoop dogg

7. Cher Lloyd's X Factor Audition (Full Version) - itv.com/xfactor

8. Travie McCoy: Billionaire ft. Bruno Mars

9. Jason Derulo - Ridin' Solo (Official Video in HD)

10. Katy B led the local charge up the YouTube charts in 2010, with “Katy On A Mission”