The couple wed in front of family, friends, and famous guests reportedly including supermodel Naomi Campbell, former James Bond star Sir Roger Moore, and designer Karl Lagerfeld.
Thousands of fans watched the nuptials on giant screens erected outside the venue in Monte Carlo as the prince, 53, exchanged vows with his 33-year-old South African bride, who was dressed in a pale blue Chanel suit jacket and trousers.
The civil ceremony will be followed by a Catholic Church service on Saturday (02Jul11).
The celebrations got underway on Thursday night (30Jun11) when rockers the Eagles performed for the couple and guests.
Prince Albert and his bride met at a swimming competition in Monaco 11 years ago. Their wedding is the first for a reigning prince in Monaco since Albert's late parents, Grace Kelly and Prince Rainier, married in 1956.