Ashlee Simpson [ tickets ] and Fall Out Boy [ tickets ]s' Pete Wentz were married May 17, a spokesperson for the couple confirmed.

Simpson and Wentz were wed in front of 150 guests at her parents' Los Angeles area home. The bride's father, Joe Simpson, performed the non-denominational ceremony. Simpson's sister Jessica was maid of honor while Wentz's English bulldog, Hemingway, was the ring-bearer.

The couple, who announced their engagement last month, chose an "Alice in Wonderland" theme for the reception. Simpson and Wentz reportedly have been dating since the fall of 2006.