Best of 2011

Hollywood's All in the Family Year!

From the Olsens and the Middletons to the Kardashians, these siblings prove fame is in the DNA

THE OLSENS

MARY-KATE, ELIZABETH & ASHLEY
The Olsens were once synonymous with twosome – until kid sis Elizabeth stepped out with an Oscar-worthy performance in Martha Marcy May Marlene. "They're really important in my life," Elizabeth, 22, told USA Today of her famous older twin siblings. "I feel like they've taken care of me my whole life."