YouTube's most-watched videos of the week

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The reign of the Bieber continues, but teen star Justin is joined by Germany's Eurovision winner Lena this week.

1) Justin Bieber - Never Say Never ft. Jaden Smith - If you think Justin Bieber looks young, check out this new-generation Lil' Bow Wow. 3,654,147 views.

http://www.youtube.com/watch?v=_Z5-P9v3F8w

2) IRON BABY - YouTube user Patrick Boivin has created an Iron Man parody starring his own baby daughter. 3,550,760 views.

http://www.youtube.com/watch?v=SyoA4LXQco4

3) Germany "Satellite", Lena - Winner of Eurovision Song Contest Final 2010 - BBC One - Lena's winning performance during Eurovision at the Telenor Arena in Norway last weekend. 2,834,174 views.

http://www.youtube.com/watch?v=UmOeISUYXuI

4) Indonesian baby on 40 cigarettes a day - ITN News reports on a toddler on Sumatra, who is hooked on nicotine after being introduced to cigarettes by his father. 2,641,627 views.

http://www.youtube.com/watch?v=x4c_wI6kQyE

5) NINJA BEAR!! - Cats, bears, and Peeping Toms all appear in Ray William Johnson's videosphere update. 2,530,934 views.

http://www.youtube.com/watch?v=x96V7fXm-B8

6) Lena (Germany) wins Eurovision Song Contest 2010 - The Eurovision winner chats to Crown Prince Haakon and Mette Marit after her triumph. 1,795,213 views.

http://www.youtube.com/watch?v=Mdw_DDXsdEU

7) CRAZY EMO CHICK!!!! - Shane Dawson on the dangers of blind dates. 1,786,299 views.

http://www.youtube.com/watch?v=NbfZbfbtY2g

8) Eurovision Song Contest (esc) 2010 Deutschland Nr. 22 Lena Meyer Landrut - Satellite (HD) - Lena performs again at the end of the competition. 1,749,768 views.

http://www.youtube.com/watch?v=QkK-23zVtsU

9) France "Allez Ola Ole" - Eurovision Song Contest Final 2010 - BBC One - Jessy Matador represented France at the Eurovision Song Contest. 1,717,763 views.

http://www.youtube.com/watch?v=cqpFUVAEhn8

10) Close-Up Footage of Mavi Marmara Passengers Attacking IDF Soldiers - Passengers on one of the ships in the 'Free Gaza' Flotilla "violently attacked IDF soldiers who were trying to board the ship after having sent repeated requests for the boat to change course." 1,700,466 views.

http://www.youtube.com/watch?v=gYjkLUcbJWo