She has been singing since she was 7 years old but starded her career when she was 16 years old.
i don't know but she's 21 so it can't be that long
rihanna already does singing
Well they're good but Rihanna has been out long and Nicki Minaj hasn't been out that long so Nicki Minaj is better. You dumbie it doesn't matter who has been singing the longest it depends on the lyrics to thier songs.
she started singing in 2002
singing
Singing!
singing
Well beyonce was singing first then then the Destiny child therefore Rihanna got inspired by them and her so she started singing!
Rhianna has been singing and 5 years old but when she first recorded her first album she was 15 so all over Rhianna has been singing for 20 years
not long..!
Rihanna started singing when she was seven.