Ashlee Simpson Wedding 0n May 17: Pete Wentz Married Ashlee Simpson in Los Angeles

Ashlee Simpson Pete Wentz were married! The couple's rep confirmed to the People:

"We're delighted to confirm that Pete Wentz and Ashlee Simpson were married this evening in front of family and close friends."

Pete Wentz and Ashlee Simpson attended the Fuse TV Party after 50th Annual GRAMMY Awards on Feb. 7, 2008. The pair walked the aisle on May 17 in Los Angeles. (Picture credit: Inez Lewis/PR Photos)

Ashlee Simpson  who is Jessica Simpson's little sister, tied the knot with Pete Wentz, of the band Fall Out Boy, in an "Alice in Wonderland" theme in Los Angeles. Here are some details on the wedding :

Simpson, 23, wore an ivory lace wedding gown by Monique Lhuillier accessorized with a diamond necklace and earrings by Neil Lane as she and Wentz, 28, exchanged vows in front of 150 guests at her parents' Los Angeles area home.

Dad Joe Simpson performed the non-denominational ceremony, while sister Jessica served as maid of honor. Wentz's English bulldog, Hemingway, was the ring-bearer. Guests included Jessica's boyfriend, Dallas Cowboys quarterback Tony Romo, Nicole Richie and Joel Madden, as well as actor Donald Faison with girlfriend CaCee Cobb.

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With the help of wedding planner Mindy Weiss, Simpson got her dream nuptials: The Alice in Wonderland themed reception featured a wedding cake by Sam Godfrey of Perfect Endings with a top hat, tea pot, stop watch and a pot of flowers on top. The elaborate centerpieces of black beauty roses were by Mark's Garden. Guests were served Rose Veuve Clicquot champagne followed by a sit-down dinner and dancing to a deejay.

Congrats!