Janelle Monae released a song on July 30, 2014, featuring which backup dancer from Destiny's Child?
Electric Lady (Janelle Monáe song): "Electric Lady" is a song by American psychedelic soul and R&B singer Janelle Monáe featuring singer Solange. Electric Lady (Janelle Monáe song):  It was released on July 30, 2014 as the fourth and final single from Monáe's second studio album, "The Electric Lady". Solange Knowles: Solange Piaget Knowles ( ; born June 24, 1986) is an American singer, songwriter, model, actress and younger sister of singer Beyoncé. Solange Knowles:  Expressing an interest in music from an early age, Knowles had several temporary stints as a backup dancer for Destiny's Child, before signing with her father Mathew Knowles's Music World Entertainment label.
Solange Piaget Knowles