Cat Valentine (Ariana Grande) wears this White Ruffle Cropped Cardigan in this episode of Victorious.

It is the Marc by Marc Jacobs Beige Daisy Ruffled Wool-Cashmere Cardigan. Unfortunately this is sold out.

Buy a similar one HERE for $50
All outfits from Victorious
All outfits from Victorious Season 4 Episode 5
Cat Valentine’s Other Outfits