The Hills Cast Reveals Big Bombshells -- Lauren Conrad Threw a Fit at Heidi's Wedding & Kristin Cavallari DIDN'T Do Drugs!

It's hard to believe it's been 10 years since "The Hills" made its big debut on MTV.
It's hard to believe it's been 10 years since The Hills made its big debut on MTV.

The Hills Cast Reveals Big Bombshells -- Lauren Conrad Threw a Fit at Heidi's Wedding & Kristin Cavallari DIDN'T Do Drugs!

The Hills Cast Reveals Big Bombshells -- Lauren Conrad Threw a Fit at Heidi's Wedding & Kristin Cavallari DIDN'T Do Drugs!

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