She may love to let her ever-changing hair down - but Rihanna insists that fans will "never" see her go off the rails.
Snubbing the idea of ending up in rehab like many of her successful popstar peers, the 23-year-old told Mondanite magazine,
"That will never happen to me. I refuse to crack under pressure - in fact I thrive on it.
“When I read about Britney Spears and Amy Winehouse who have suffered under it, it's sad. It is easy to criticise them but it happens.”
So, what is the ‘Rude Boy’ singer’s secret when it comes to keeping her feet firmly on the ground? Her bestie of course!
"Staying down to earth in this industry in general is really not easy,” she added.
“But I am strong and when I feel lost or depressed on the road, I call my best friend Melissa. When I see people turning to drugs and alcohol, then that's when I call Melissa. She helps me get through things."
See MTV chatting to Rihanna Down Under in the video clip below…