PHOTO GALLERY: George Clooney's wedding in Venice

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U.S. actor George Clooney and his wife Amal Alamuddin stand on a water taxi as they leave the seven-star hotel Aman Canal Grande Venice in Venice September 28, 2014 (Photo: Reuters)

Amal Alamuddin, wearing her nuptial ring, leaves the Aman hotel in Venice, Italy, Sunday, Sept. 28, 2014 (Photo: AP)

George Clooney, right, wearing the ring, is flanked by his wife Amal Alamuddin as they leave the Aman luxury Hotel in Venice, Italy, Sunday, Sept. 28, 2014 (Photo: AP)

Actor George Clooney, right, waves from a boat with, from left, his father Nick Clooney, his sister Adelia Zeidler, and Ramzi Alamuddin, father of his wife Amal Alamuddin, on their way to the Aman hotel ahead of his wedding in Venice, Italy, Saturday, Sept. 27, 2014 (Photo: AP)

U.S. actor George Clooney (C) travels on a taxi boat to the venue of a gala dinner ahead of his official wedding ceremony in Venice September 27, 2014 (Photo: Reuters)

The boat Amore, center, carrying actor George Clooney cruises along the Grand Canal under the Academia Bridge ahead of his wedding with London-based human rights lawyer Amal Alamuddin in Venice, Italy, Saturday, Sept. 27, 2014 (Photo: AP)

U.S. actor George Clooney and his wife Amal Alamuddin stand on a water taxi on the Grand Canal in Venice September 28, 2014 (Photo: Reuters)

The boat carrying George Clooney and his wife Amal Alamuddin, is surrounded by media and security boats as they cruise the Grand Canal after leaving the Aman luxury Hotel in Venice, Italy, Sunday, Sept. 28, 2014 (Photo: AP)

The boat carrying George Clooney and his wife Amal Alamuddin, center, is surrounded by media and security boats as they cruise the Grand Canal after leaving the Aman luxury Hotel in Venice, Italy, Sunday, Sept. 28, 2014 (Photo: AP)

George Clooney smiles to his wife Amal Alamuddin as they cruise the Grand Canal after leaving the Aman luxury Hotel in Venice, Italy, Sunday, Sept. 28, 2014.(AP Photo)

U.S. actor George Clooney (3rd L) and his wife Amal Alamuddin arrive at the Cipriani hotel in Venice September 28, 2014. Newly married Hollywood heart-throb Clooney kept rumor mills whirling in Venice on Sunday as media reported he and his Lebanese-born wife were planning a second ceremony in Italy's floating city. (Photo:Reuters)

George Clooney waves as he cruises the Grand Canal on a boat with his wife Amal Alamuddin, after leaving the Aman luxury Hotel in Venice, Italy, Sunday, Sept. 28, 2014. (AP Photo)

Clooney, the world's most famous bachelor, broke a vow to remain single on Saturday and married human rights lawyer Amal Alamuddin during a weekend of lavish celebrations in Venice.

The Italian city of gondolas and palazzi looked like Hollywood on the Adriatic as A-list guests cruised between luxury hotels for the extravaganza, billed as the party of the year even as details were largely kept secret.