7. 'Grey's Anatomy'
Like everything on Grey's Anatomy, Izzy and Alex's wedding was a total sob-fest. The bride learned that she had an incurable tumor, so Meredith gave Izzy (Katherine Heigl) her Amsale wedding dress. Alex's heartfelt vows ("Today, I become a man, a husband") were perfect and so was the dress, which somehow managed to Izzy even though toothpick thin Meredith had chosen it. Ah, the magic of TV weddings.
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