In photos: 'Ashlee Simpson hosts New Year Party'

By James Wray Jan 2, 2009, 16:28 GMT

Ashlee Simpson-Wentz attending a New Year's Eve Celebration she hosted with by Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008. Photo copyright by PRN / PR Photos.

Heidi Montag and Spencer Pratt attending a New Year's Eve Celebration hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008. Photo copyright by PRN / PR Photos.

12/31/2008 - Spencer Pratt - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Kris Jenner - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Kourtney Kardashian - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Heidi Montag and Spencer Pratt - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Heidi Montag - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Rob Kardashian - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Khloe Kardashian - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Kim Kardashian - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Ashlee Simpson-Wentz - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Khloe Kardashian, Kim Kardashian and Kourtney Kardashian - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Rashad McCants - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Kourtney Kardashian, Kris Jenner, Kim Kardashian and Khloe Kardashian - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Pete Wentz - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos

12/31/2008 - Khloe Kardashian and Rashad McCants - New Year's Eve Celebration Hosted by Ashlee Simpson-Wentz and Pete Wentz at Pure Nightclub Las Vegas on December 31, 2008 - Pure Nightclub at Caesars Palace Hotel and Casino - Las Vegas, NV, USA © PRN / PR Photos