Mary Wells - My Guy
Kim Carnes - Bette Davis Eyes
Karyn White - Romantic
Amy Grant - Baby Baby
Martika - Toy Soldiers
Deniece Williams - Let's Hear It For The Boy
Irene Cara - Flashdance!...What a Feeling
Mary J. Blige - Family Affair
Belinda Carlisle - Heaven Is A Place On Earth
Kim Wilde - You Keep Me Hangin' On (both her's and the Supremes' original topped the chart)
Amii Stewart - Knock On Wood
Anita Ward - Ring My Bell
Gloria Gaynor - I Will Survive
Thelma Houston - Don't Leave Me This Way
Tina Turner - What's Love Got To Do With It
Petula Clark - Downtown
Lesley Gore - It's My Party
But hey, at least they have one. Not everybody has that
Edit: Deniece Williams has two, actually.