On Friday night, George Clooney, 53, and Amal Alamuddin, 36, prepared for their wedding with their close family and friends by their side.
ET Correspondent Nasreen Eldawi is in Venice and has all the details from the scene.
While the human rights lawyer went out with her girl friends, sister and her mom, the actor celebrated with a guy only event later in the night.
Clooney went to Da Ivo with his friends, and they drank his signature tequila. Clooney and Cindy Crawford's husband Rande Gerber have their own label called Casamigos.
One guest was absent from the festivities however. Fellow actor and friend Matt Damon went to a bar called Harry's instead.
When the men left Da Ivo, they were greeted by fans and paparazzi alike.
Both Alamuddin and Clooney celebrated in style before their actual wedding began. Watch the video above for more details.