UK Edition
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Cheryl Cole and Zac Efron have been voted the "coolest celebrities" in a poll by teenage users of social networking site Bebo.
Girls Aloud star Cole topped the list of the coolest female celebrities in Bebo's first 'Cool Awards', receiving four times as many votes as any other female.
Harry Potter star Emma Watson was ranked second, while television presenter Alexa Chung came third.
High School Musical star Efron won the battle of cool male celebrities, beating singer Joe Jonas into second place and Justin Timberlake into third.
Katy Perry was named the coolest music solo artist, while US rockers Kings of Leon were voted the coolest band and Mark Ronson the coolest DJ.
Eastenders was ranked the coolest soap, while The Dark Knight was the most popular film.
