Rumors that Ariana Grande acts like a bratty diva at press events have plagued the pint-sized pop star ever since she hit the A-list. (So, like, for three or four months, basically.)
The latest incident took place in Australia, where Ariana's diva demands led to the cancelation of a photo shoot. Ariana has denied that she's a young Mariah in the making, but a very credible source on the topic of red carpet behavior put Grande on blast today:
Giuliana Rancic has been covering star-studded events for E! for 13 years, and she's spoken with just about every level of celeb there is.
When asked about Ariana recently, Giuliana stopped just short of saying she wants to smack her: