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Katherine Heigl

Katherine Heigl arrives at the premiere of Warner Bros. Pictures' "New Year's Eve" at Grauman's Chinese Theatre on December 5, 2011 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

The Biggest Emmy Star Meltdowns of All Time

Even an Emmy nominee can have a bad day. Just ask these Emmy-nominated stars, who've made headlines for both their brilliant work and their breakdowns. Here's a look back at some of the biggest Emmy star public meltdowns of all time. — Victoria Leigh Miller, Yahoo TV