Outside of her killer vocals and her amazing appearances, one of the things she is commented on the most are how big her boobs are. On her b-day, she found this◊ trending on Twitter with the caption, "Well. There's that".
There's this with her fellow Victorious co-star Avan.
She did this to Matt Bennett, Robbie from Victorious.
Almost any of her appearances on Ariana's video chats is bound for these.