Missy Elliot won the most number  of Grammy Award for Best Rap Solo Performance from 1991-2011 for her works "U.N.I.T.Y." , "Scream a.k.a. Itchin'" and "Work It'".
Missy Elliot won the most number  of Grammy Award for Best Rap Solo Performance from 1991-2011 for her works "U.N.I.T.Y." , "Scream a.k.a. Itchin'" and "Work It'".