WHIP YOUR HAIR: Junior Erica Butler performs for Delta Sigma Theta during the Greek Extravaganza on Wednesday night in Gusman Hall. The Deltas’ piece was a Nicki Minaj theme. Five greek organizations competed in Greek Extravaganza, a step competition. The Deltas won the competition. The Greek Extravaganza is an annual event hosted by the UM National Pan-Hellenic Council.