The 25-year-old sported a low-cut top and a high-cut sheer bottom white monokini, and paired the ensemble with a matching necklace, feathered shin guards and headpiece for the event Monday, reports dailymail.co.uk.
She was also wearing two cuffs around her wrists and a smattering of diamantes applied to the side of her face. Her look was completed by a pair of fishnet tights and a pair of trainers on her feet.
Rihanna wore shimmering silver hues for make-up and shielded her eyes with a pair blue-tinted sunglasses.
The star is currently on a two-month break from her Diamonds world tour after recently jetting back home to Los Angeles from Europe. She will travel east next month for shows in Macau, Manila and Singapore.