Heidi Montag Slams Lauren Conrad for Treating Her Like a "Dog" and Says Kristin Cavallari Is Winning

Sofia Vergara poses with co-judge Heidi Klum ahead of America's Got Talent live shows in LA

Sofia Vergara & Heidi Klum Rule The Red Carpet At 'AGT's First Live Show

Heidi Montag Shades Former BFF Lauren Conrad & Declares Kristin Cavallari’s ‘More Successful’