Emma Watson shows off new look: Who's the hottest former child star?

Honoree Emma Watson poses as she arrives at the 19th Annual ELLE Women in Hollywood dinner in Beverly Hills, California October 15, 2012. The event honors women who have had a profound impact on the film industry. (REUTERS)

Emma Watson's darker role in the film "Bling Ring", which recently premiered at the Cannes Film Festival, has people buzzing about the stunning transformation of the former child star. The film is based on a true story about young women who steal clothing and jewelry from celebrities. Watson claims to have prepared for the role by watching a lot of “Keeping Up With the Kardashians” and “The Hills”.

SODAHEAD SLIDESHOW: All grown up! See the hottest young stars.

This film has her portraying a woman completely different than herself. Her character is a celebrity-obsessed partier, which greatly differs from real life Watson who is much more reserved and low-key.

It’s hard to believe that Watson was only 9 years old when she co-starred in the first "Harry Potter" film.The actress is now 23. Aside from acting she studies English at Brown University in Rhode Island.

Watson is not letting her child star days hold her back. She is all grown up, ready to take on more challenging, mature, and sexier roles.The actress is now a gorgeous young woman in her prime. However, her transformation from cute kid to hot leading lady is not the only one in Hollywood today. 

There are plenty of former kid stars all grown up, and looking better than ever. From Miley Cyrus’s sexy blonde hair, to Joseph Gordon Levitt’s new-found hunk status—these hot young actors are proving that hotness does get better with age.

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