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'The Hills' reality stars, Spencer Pratt and Heidi Montag publicly announced their separation and divorce in August 2010. Montag and Pratt, who have broken up and gotten back together numerous times, on and off-camera, have often been said to have staged publicity stunts. In September 2010, Montag called off her divorce from Pratt after the pair reconciled following a recent trip to Costa Rica.
(Photos courtesy of twitter.com/spencerpratt and facebook.com/heidimontag)