KE$HA's TIK TOK hit was the world's biggest selling digital single in 2010. According to International Federation of the Phonographic Industry (IFPI) officials, the party anthem sold 12.8 million copies. Lady Gaga's Poker Face was second with 9.8 million downloads and Eminem and Rihanna's Love the Way You Lie was third.
'Wilson', starring both Dern and Harrelson, is released in U.S. cinemas on March 24th.
At just 13, Robert Irwin is continuing his father’s legacy and he’s just as enthusiastic about animals as his dad.
Madonna adopted twins Esther and Stella from Malawi earlier this month.