1 . Barbra Streisand2 . Madonna3 . Mariah Carey4 . Whitney Houston5 . Celine Dion6 . Shania Twain7 . Reba McEntire8 . Britney Spears9 . Dixie Chicks10 . Linda Ronstadt11 . Enya12 . Janet Jackson13 . Faith Hill14 . TLC15 . Alanis Morissette16 . Toni Braxton17 . Sarah Mc Lachlan18 . Jewel19 . Mary J. Blige20 . Destiny’s Child21 . Amy Grant22 . Leann Rimes23 . Sheryl Crow24 . Norah Jones25 . Janis Joplin26 . Gloria Estefan27 . Patsy Cline28 . Anne Murray29 . Christina Aguilera30 . Carole King31 . Alicia Keys32 . Martina Mc Bride33 . Olivia Newton-john34 . Natalie Cole35 . Melissa Etheridge36 . Tracy Chapman37 . Trisha Yearwood38 . Cher39 . Anita Baker40 . Bette Midler41 . Paula Abdul42 . Spice Girls43 . Jennifer Lopez44 . Brandy45 . Avril Lavigne46 . Carrie Underwood47 . Taylor Swift48 . P!nk49 . Kelly Clarkson50 . Beyoncé Knowles51 . Shakira52 . Monica53 . Hilary Duff54 . Rihanna55 . Ciara56 . Gwen Stefani57 . Fergie58 . Lady Gaga