Los Angeles, April 2 (IANS) Rihanna has once again reinvented her looks by changing her hair colour - the singer has changed her blonde locks to a darker shade.

Aceshowbiz.com reports that the 24-year-old posted photos on Twitter, sporting jet black hair in three different poses and the caption said: Cuz I'm black b***h.

When a fan pointed out that her new look was similar to her previous Mohawk style, she replied: I was missing she, but I aint ready to chop ha.