A roundup of this year's celebrity heart breaks, and divorces.
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Julianne Hough and Ryan Seacrest
"American Idol" host Ryan Seacrest and dancer-singer-actress Julianne Hough ended their two-year romance in Mach. The pair's busy work schedules made the relationship difficult to maintain, but they parted amicably and remain friends, according to a People.com report. UPI/Jim Ruymen
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