They did. They do. Clooney/Alamuddin wedding No. 2

WATCH: George Clooney and Amal Alamuddin arrive by water taxi at Venice City Hall to make their marriage official.

VENICE, Italy – George Clooney and Amal Alamuddin had a second opportunity to say “I do” when they celebrated a civil ceremony in a historic palace along Venice’s Grand Canal.

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The couple tied the knot two days earlier in a private ceremony attended by Hollywood celebrity friends and family. On Monday, they followed up with a required civil procedure before Italian authorities.

The newlyweds arrived by water taxi. Clooney looked dapper in grey suit and matching tie, while the bride wore a cream-colored, short-sleeved jacket with palazzo pants and a matching wide-brimmed hat. They turned to wave at hundreds of people waiting hours for their arrival.

Clooney ushered his wife inside. They emerged 20 minutes later with former Rome Mayor Walter Veltroni, who performed both ceremonies.