Ashlee Simpson,23, and Pete,28, Wentz tied tied the knot this weekend at Simpson’s parents’ home in Encino, California and was attended by 150 guests, including Nicole Richie, Joel Madden, Tony Romo and big sis Jessica Simpson was Ashlee’s maid of honor. Pete’s English bulldog, Hemingway was her ring bearer while her dad Joe Simpson, a former minister, performed the ceremony.

ashlee simpson

Simpson wore an ivory lace wedding gown by Monique Lhuillier and jewels by William Noble as they exchange vows.

The pop singer also confirmed that she is pregnant with Pete’s baby at the reception. The couple’s spokesman said “We’re delighted to confirm that Pete Wentz and Ashlee Simpson were married this evening in front of family and close friends.”

The newlyweds celebrate their nuptials with The Alice in Wonderland wedding theme with the help of wedding planner Mindy Weiss.

Their wedding cake featured a top hat, a tea pot, a stop watch and a pot of flowers on top, with black beauty roses decorating each table.