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Jessica Simpson and Eric Johnson say their Saturday wedding in Santa Barbara was "the happiest moment of [their] lives." 

The newly married couple has released a statement to People after tying the knot in a lavish outdoor ceremony at the San Ysidro Ranch. The magazine says the 33-year-old singer wore a custom-made Carolina Herrera gown as she walked down the aisle in front of more than 250 guests. 

She got engaged to the former football player back in 2010, and the couple have a son and a daughter together.  Their two-year-old Maxwell served as a flower girl, and one-year-old Ace was the ring bearer.  

Among the celebrities rumored to be on the guest list include Jessica's sister Ashlee and her fiance Evan Ross, Jessica Alba, Topher Grace, Cacee Cobb, Donald Faison and Cash Warren.  

Photo: Splash News