Kristin Cavallari in the "The Hills"MTV - Monday, September, 21, 2009, 10:21 PM

Audrina Patridge in the "The Hills"MTV - Monday, September, 21, 2009, 10:21 PM

Kristin Cavallari in the "The Hills"MTV - Monday, September, 21, 2009, 10:21 PM

Heidi Montag in the "The Hills"MTV - Monday, September, 21, 2009, 10:21 PM

Audrina Patridge in the "The Hills"MTV - Monday, September, 21, 2009, 10:21 PM

Spencer Pratt in the "The Hills"MTV - Monday, September, 21, 2009, 10:21 PM

"The Hills." Season 5 finale airs Sunday, 5/31 at 8:30pm. MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

Lauren Conrad and Audrina Patridge of "The Hills."MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

Audrina, Lauren and Heidi of "The Hills."MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

Audrina Patridge of "The Hills."MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

Spencer Prett and Heidi Montag of "The Hills."MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

Justin Bobby of "The Hills."MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

Brody Jenner of "The Hills."MTV/Miranda Penn Turin - Thursday, April, 2, 2009, 9:2 PM

The cast of The HillsMTV/Jeff Lipsky - Thursday, August, 7, 2008, 12:7 AM

Lauren Conrad stars in The HillsMTV/Jeff Lipsky - Thursday, August, 7, 2008, 12:7 AM

Audrina Patridge stars in The HillsMTV/Jeff Lipsky - Thursday, August, 7, 2008, 12:7 AM

Lo Bosworth stars in The HillsMTV/Jeff Lipsky - Thursday, August, 7, 2008, 12:7 AM

Lauren Conrad at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM

Lauren Conrad at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM

Audrina Patridge at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM

Whitney Port at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM

Lauren "Lo" Bosworth at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM

Brody Jenner at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM

Stephanie Pratt at the Live Season 3 Hills finale party.Polk Imaging/WireImage - Tuesday, May, 13, 2008, 6:13 PM