SPOILER ALERT: Emma Watson On Kissing 'Harry Potter' Co-Star: 'It Was The Most Horrible Thing I've …

LONDON, England, U.K. -- Emma Watson has spent half of her life playing Hermione Granger alongside Daniel Radcliffe and Rupert Grint in the "Harry Potter" series. But in a new interview on the BBC's "Friday Night with Jonathan Ross," the 19-year-old revealed kissing one of her co-stars was just about the most uncomfortable filming experience she's had in her career so far.

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