The 17-year-old actress/singer sang with Emma Hunton at a club last night.
JJJ caught up with Ari recently and had to ask about Kenan Thompson making a cameo appearance in the iCarly-Victorious crossover. Check out our video below to see what she said!
Also pictured is Dan Schneider, creator of both series. 10+ pics inside…
Ariana Grande on working with Kenan Thompson