Los Angeles: Singer Rihanna dressed up as Pebbles Flintstones, a fictional character in the Flintstones franchise, at her niece's Flintstones-themed birthday party. Rihanna. Pic/Santa Banta The ...

Rihanna dressed up as a very sexy Pebbles for her niece Majesty’s “Flintstones”-themed birthday party. In honor of the tot’s first birthday, her family threw a party where Rihanna got into the spirit ...

Rihanna seems to share a special a bond with her cousin Noella Alstrom's daughter Majesty, dubbing herself the tot's 'Aunty OhNaNa.' The 27-year-old loves to dote on the toddler, and did just that in ...