Why Robert Pattinson Is 'Ridiculously Proud' of Sister Lizzy

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Talent runs deep in the Pattinson family! Robert Pattinson's big sister Lizzie reportedly just made it through a closed door audition for The X Factor U.K. in front of judges Simon Cowell, Louis Walsh, Cheryl Cole, and Mel B. Watch the video to hear Lizzy show off her vocal chops and hear Rob gush about how proud he is of her.