Celebs storm Italy for George Clooney's wedding. Photos from their rehearsal dinner

George Clooney will be marrying British Human Rights lawyer Amal Alamuddin today in Venice Italy and many of their celeb friends including Matt Damon, Cindy Crawford and US Vogue editor Anna Wintour are in Italy to celebrate with them.

Amal stepped out in a beautiful red waterfall dress last night for their rehearsal dinner at the exclusive five-star Belmond Cipriani Hotel on the island of Giudecca. Scroll down for more photos...