JoJo lights up the red carpet at the 2011 Teen Vogue Young Hollywood Party held at Paramount Studios on Friday night (September 23) in Los Angeles.The 20-year-old musician wore a gorgeous Gabriela Cadena top and skirt with Christian Louboutin heels. At the party, JoJo caught up with pals Zelda Williams and Francia Raisa.PHOTOS: Check out the latest pics of JoJoOn Monday, JoJo will be playing the House of Blues in Houston, Texas with ...