PHOENIX, AZ - FILE:  Actress/singer Miley Cyrus and Liam Hemsworth backstage during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012 in Phoenix, Arizona. The couple are engaged to be married as confirmed by their reps on June 6, 2012.  (Photo by Michael Buckner/Getty Images for CFN)
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