Rihanna chooses not to use any numbing cream before waxing because she "loves the pain".
Beauticians have revealed that the Barbadian singer even belts out songs during the hair removal.
Staff at the Fuzz Wax Bar in Toronto told the Daily Star that when one of their aestheticians brought the numbing cream for her, the 25-year-old pop star just laughed and said that she loves the pain and that it feels good to her.
The beauty experts believed the babe's wild confession once she got started with the routine.
Sources said that Rihanna was escorted to a treatment room with very thin walls and not a scream or squeal was heard. In fact, it sounded like she was enjoying herself.
The insiders added that she was singing and humming songs all through the treatment, and all the workers at the parlour were in hysterics over her raunchy behaviour.