Chris Brown is back ON the market. Karrueche Tran dumped Brown's butt telling friends he was acting way too immature, like a child and she couldn't handle it anymore. This breakup will probably stick because Tran changed her number so he couldn't contact her! How did Brown respond? By taking one of her BFF's on a vacation off the coast of St. Tropez.

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The Bieber/Bloom blowup just gets more entertaining. The woman who shot the video says there were even more celebs ringside for the fight! Leonardo DiCaprio, who was dining with Orlando, was right by his side cheering him on while Lindsay Lohan was trying to calm Bieber down. So if you're keeping track that's Lindsay Lohan, Leo DiCaprio, Paris Hilton and Puff Daddy all at what sounds like a 2006 throwback party.

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Khloe Kardashian is blaming her brother Rob's problems on Lamar Odom. Here's what went down last night on 'Keeping Up With The Kardashians':