Wow yes come to think of it, that's the kind of jobs she'd be perfect for. She's interesting, different and young! Also she'd bring in a fanbase of younger girls who watched Camp Rock or Sonny With A Chance, so yes, I would say she's be a good judge. XD x
How about some folks who have been in the business, and KNOW what sounds good as a raw product and might make a commercial success.
How about getting a music exec on there? And an established, older star? Maybe Aretha? Or Sade? Or even Richie Sambora? how about that.