Do we have another superstar Pattinson in the making?

Entertainment Tonight reports that 'Twilight' star Robert Pattinson's older sister, Lizzy Pattinson, recently made it through the first round of auditions for U.K.'s version of 'The X Factor.' In July, Lizzie performed in a closed audition in front of judges Simon Cowell, Cheryl Cole, Mel B. and Louis Walsh.

While speaking with Grazia Daily, the little brother couldn't have been prouder.

"I'm so ridiculously proud of her," Robert told the site at a red carpet event. "I would never have the balls to do that, ever, in a million years. I can't believe she's done it. It's amazing."

Lizzy's no stranger to the music scene: She's contributed to the 'Twilight: Breaking Dawn - Part 1' soundtrack, as well as a remix of Milk and Sugar's track 'Let the Sunshine In.'

U.K.'s edition of 'The X Factor' will premiere later this month on ITV.