STAGE TUBE: Broadway Vet Ariana Grande Performs at the 'Pandora NBC Skating Series'
Ariana Grande, currently starring in Nickelodeon's 'Victorious', recently released her new single 'Put Your Hearts Up' on December 20. The teen star - who was seen on Broadway in Jason Robert Brown's 13 - recently accompanied gymnast Nastia Liukin's performance at the NBC Skating Series.