Who knew love would be so hard to hold on to when you're as hot as these celebrities? From Disney sensation Miley Cyrus to Keeping Up With the Kardashians star Kim Kardashian, check out this summer's hottest Hollywood break-ups:

Pop star Jessica Simpson and Dallas Cowboy quarterback Tony Romo had what seems to be a messy break up. Romo allegedly split with Simpson one day before her 29th birthday. Ouch! Jessica is reportedly devastated, heartbroken and depressed.

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