The Umbrella singer showed off her funky red hair ... and her curvy figure was just as eye-catching in a bikini.

Rih played Russian Pool-ette on hols in Barbados.

Then she'll work with teen stars SEAN KINGSTON and JUSTIN BIEBER, whose huge track Eenie Meenie is out today.

Sean said: "I love Rihanna. Justin and I have already been writing more songs together."