Sista Spice is a character from the Proud Family season 2 episode "Penny Potter". She is Suga Mama's older sister, Oscar and Bobby's aunt and Penny, BeBe, and CeCe's great aunt.
She is claimed by Suga Mama that her parents seem to have more attention and caring for her because of her beauty and mental powers and that they didn't even know Suga Mama existed. As Sista Spice arrives in town, she was glad everyone was happy to see her -- expect her sister. She sent her flying out of the Proud family house over to Bobby's house. Later, she entertains her great niece Penny and her friends with her powers, she chooses Zoey as her kin and teaches her how to focus, using her own powers to make it seem like Zoey is psychic. After that, when her show is being held outside in the Proud Snax parking lot since shes was rejected by Wizard Kelly from his arena earlier, she attempts to swindle Oscar out of money but was foiled by Wizard Kelly and Suga Mama.