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Selena Gomez stepped out to support her rumored boyfriend Justin Bieber at the the Los Angeles premiere of his new movie Justin Bieber: Never Say Never Tuesday night.

Sienna Miller - Actress Sienna Miller who resumed dating ex-fiance Jude Law after nearly four years apart, is officially single again. Jude Law's rep confirmed the news saying, "I can confirm that Jude Law and Sienna Miller are no longer in a relationship". Sienna and Jude began dating in 2003 and were engaged in 2004, the engagement however came to an abrupt end when news broke that Jude was shagging his children's nanny. Jude later confessed.

The couple reunited in 2009 and even lived together in London, according to AP.

How we love the drama of celebrity romances -- and we're equally entranced when famous couples call it quits. We saw some jaw-dropping breakups in 2010. As we enter 2011, we thought we'd take a look at the couples who have split in the last month or so.

First she was paired with a rapper. And now, according to reports, the late night talk show host dated a wealthy man while she was at the Sundance Film Festival. He dated a “Kill Bill” actress.