Ashlee Simpson and Pete Wentz Are PUREfection

Ashlee Simpson and husband Pete Wentz take on hosting duties at the PUREfection New Year’s Eve party at PURE nightclub in Cesar’s Palace, Las Vegas on (Wednesday December 31).

1-month-old baby son Bronx Wentz sat this party out while his rock star parents counted down the seconds to midnight and celebrated the New Year with a kiss along with a club filled with partiers and guests such as Heidi Montag and Spencer Pratt.