Hot on the heels of Beyonce and Jay-Z's wedding, Simpson and Wentz announced their plans to tie the knot. Rumors of an engagement between the Fall Out Boy bassist and the pop sensation have circulated before, but the happy couple personally confirmed the good news. "We know there has been a lot of speculation recently about Pete and I," Ashlee wrote on Wentz's FriendsorEnemies.com. "Yes, we are thrilled to share that we are happily engaged."