We can't even count how many times Miranda Cosgrove has been asked, 'How long until you finally get your license?!' in a Hollywood interview. It's probably in the millions. But even though she was a few years late in mastering U-turns (hey, this gal's been busy!), now it's official. Miranda Cosgrove can legally drive solo!! But this accomplishment didn't come easy. On The Tonight Show with Jay Leno Miranda confessed one of her most mortifying driver's test disasters.