Rebelle has sold over 2 million bottles since its February launch and is expected to sell a record-breaking 4 million by the end of the year, according to the Daily Mail.
"My new fragrance is about taking control but still being a lady. There's a feminine, romantic element to the fragrance - but there's also a defiant quality in it. I love its duality," Rihanna said at its launch.
Rebelle is the second perfume released by Rihanna following last year's Reb'l Fleur.
Her newest fragrance is outselling fellow celebrity scents by Britney Spears (Midnight Fantasy), Jennifer Lopez (Glow), Beyoncé (Heat) and Victoria Beckham (Intimately Beckham for her).
Rihanna will release her third fragrance - a unisex scent called Nude - next year. She recently posed naked to shoot the advertising campaign for the product.
Watch Rihanna's video for 'Where Have You Been' below: