1 Whitney Houston

 

 Whitney Elizabeth Houston (August 9, 1963 – February 11, 2012) was an American singer, actress, producer, and model. In 2009, Guinness World Records cited her as the most awarded female act of all time. Houston is one of pop music's best-selling music artists of all-time, with an estimated 170–200 million records sold worldwide. She released seven studio albums and three movie soundtrack albums, all of which have diamond, multi-platinum, platinum or gold certification.
 

2 Mariah Carey 

 Mariah Carey is an American singer, songwriter, record producer, and actress.
 

3 Amy Lee 

 Amy Lynn Hartzler, known professionally as Amy Lee, is an American singer-songwriter, classically trained pianist and composer.
 

5 adele

 Adele Laurie Blue Adkins is an English singer and songwriter. Graduating from the BRIT School for Performing Arts and Technology in 2006, Adele was given a recording contract by XL Recordings after a friend posted her demo on Myspace the same year.

6 taylor swift

 Taylor Alison Swift (Taylor Swift) is an American singer-songwriter. She was born on December 13, 1989 in Reading, Pennsylvania. She became interested in country music when she was around 9 years old and after watching a documentary about Faith Hill, Swift felt that she should go to Nashville to begin a country music career. She then signed a contract with RCA Records and begin to write songs. She also worked with Nathan Chapman for her debut album, but she then left RCA because she was afraid that the label wanted her to record the work when she was 18 years old.
 

7 katty perry

 Katheryn Elizabeth Hudson (Katy Perry) was born on October 25, 1984 in Santa Barbara, California. Katy Perry is a singer, songwriter, actress and an ambassador on one of the most popular companies of now, UNICEF. 

8 rihanna

 Robyn Rihanna Fenty is a Barbadian singer and songwriter. Born in Saint Michael and raised in Bridgetown, she first entered the music industry by recording demo tapes under the direction of record producer Evan Rogers in 2003. She ultimately signed a recording contract with Def Jam Recordings after auditioning for its then-president, hip-hop producer and rapper Jay Z.
 

9 beyonce

 Beyoncé Giselle Knowles-Carter, is an American singer, songwriter, record producer and actress, who started out in the popular girl group "Desiny's Child". They had multiple top 5 hits such as "Say My Name", "Survivor", "Independent Women", "Bills, Bills, Bills", "Bootylicious", "Jumpin', Jumpin' ", "Lose My Breath", and "Soldier" from 1999 to 2004. After they broke up in 2006, Beyonce pursued her solo career, creating smash hits such as "Crazy In Love", "Single Ladies", "Halo", "Partition", "Irreplaceable", "Drunk In Love", "Baby Boy", "Beautiful Liar", "7/11", and "Run The World (Girls)", and has since become one of the most influential performers and biggest celebrities of the 21st century.
 

10  Jackie Evancho

 Jacqueline Marie "Jackie" Evancho is an American classical crossover singer who gained wide recognition at an early age and, since 2009, has issued an EP and five albums, including a platinum and gold album and three Billboard 200 top 10 debuts.

11 SIA

 Sia Kate Isobelle Furler, referred to mononymously as Sia, is an Australian singer and songwriter.

 12 Christina Aguilera

 Christina María Aguilera is an American singer, songwriter, and record producer, best known for songs such as "Beautiful", "Genie In A Bottle", "Fighter", "Hurt", "Dirrty", "Your Body", "Lady Marmalade", "Reflection", and "Candyman".