Estimated cost of the wedding: $2 million

Pop star Christina Aguilera wed music executive Jordan Bratman in November 2005 at Napa Valley's Staglin Family Vineyard. The couple stayed at a cottage at the Auberge du Soleil, splurging on the $3,500-a-night suite replete with fireplace and outdoor hot tub. Aguilera wore a Spanish-style Christian Lacroix gown before changing into a satin minidress for the reception, attended by some 150 guests, including Sharon Stone. Festivities were held in a winter-themed tent filled with white roses, silver drapery and dangling crystals.

Source:
http://www.forbes.com/2007/07/12/celebrity-media-weddings-biz-media-cz_l...