Top Ten Most Successful Contestants from Singing Competition TV Shows

The Top Ten
1 Jackie Evancho Jacqueline Marie "Jackie" Evancho is an American classical crossover singer who gained wide recognition at an early age. Since 2009, she has issued an EP and eight albums, including a platinum and gold album, and three Billboard 200 top 10 debuts. Evancho's latest album 'The Debut', was her eighth consecutive release to reach No. 1 on the Billboard Classical Albums chart. In 2017, Evancho performed the U.S. national anthem at the presidential inauguration of Donald Trump and became the youngest person ever to perform a concert series at Café Carlyle.

Broke Michael Jackson's record as youngest artist in US chart history to have a Platinum album, and a top 2 Billboard all-genre chart album. Also had 7 consecutive #1 albums on the Billboard Classical Chart, had her own 1-hour solo T.V. special three times. Has performed for presidents and kings.

2 Kelly Clarkson Kelly Brianne Clarkson is an American singer, songwriter and children's book author. She rose to fame in 2002 after winning the inaugural season of the television series American Idol, which earned her a record deal with RCA Records. Clarkson's debut single, "A Moment Like This", topped the US Billboard ...read more.

Yes, Kelly's the best by far & she has her own TV show.

3 Adam Lambert Adam Mitchel Lambert is an American singer, songwriter and stage actor. Since 2009, he has sold over 2.5 million albums and 5 million singles worldwide.

Adam is oh so talented!

4 Carrie Underwood Carrie Marie Underwood is an American singer, songwriter, and actress. She rose to fame as the winner of the fourth season of American Idol, in 2005. Her debut album, Some Hearts, was released in 2005.
5 Jennifer Hudson Jennifer Kate Hudson is an American singer, actress and spokesperson. She rose to fame in 2004 as a finalist on the third season of American Idol, coming in seventh place.
6 Jordin Sparks Jordin Brianna Sparks is an American singer, songwriter and actress. In 2007, she rose to fame after winning the sixth season of American Idol; at age 17, she became the youngest winner in the series' history.
7 Fifth Harmony
8 Leona Lewis Leona Louise Lewis is a British singer, songwriter and animal welfare campaigner. She was born and raised in the London Borough of Islington, London, England where she attended the BRIT School for Performing Arts and Technology.
9 Carmen Suleiman Carmen Essam Suleiman is an Egyptian singer, better known in her stage name is Carmen Suleiman. Suleiman won the first season of Arab Idol in 2012 broadcast live on MBC, winning a recording contract with Platinum Records.
10 Katharine McPhee Katharine Hope McPhee is an American actress, singer, and songwriter. In May 2006, she was the runner-up on the fifth season of American Idol. Her self-titled debut album was released on RCA Records on January 30, 2007, and debuted at number two on the Billboard 200, selling 381,000 copies.
The Contenders
11 Diana Karazon
12 Shatha Hassoun Shatha Amjad Hassoun Alshamery, better known as Shatha Hassoun, is an Arabic singer with both Iraqi and Moroccan ancestry, who rose to fame as the winner of the 4th season of the pan-Arab television talent show Star Academy Arab World.
13 Chris Daughtry Christopher Adam "Chris" Daughtry is an American musician and actor, best known as the lead vocalist and rhythm guitarist for the rock band Daughtry and as the fourth-place contestant on the fifth season of American Idol.
14 One Direction One Direction (commonly abbreviated as 1D) were a British-Irish pop boy band based in London, composed of Niall Horan, Liam Payne, Harry Styles, Louis Tomlinson, and previously, Zayn Malik until his departure from the band on 25 March 2015. The group signed with Simon Cowell's record label Syco Records after forming and finishing third in the seventh series of the British televised singing competition The X Factor in 2010. Propelled to international success by social media, One Direction's four albums, Up All Night (2011), Take Me Home, Midnight Memories and Four topped charts in most major markets, and generated hit singles including "What Makes You Beautiful", "Live While We're Young", and ...read more.

They were only around a short time (like most boy-bands) but they were massive during that time and all of the members have had some success in their solo careers so I think that they should be in the top 10.

15 Rouwaida Attieh
16 Mohammed Assaf
17 Dounia Batma Dounia Batma was born and raised in Hay Mohammedi, in the Ain Sebaa-Hay Mohammedi district of Casablanca, Morocco. She is a Moroccan singer who rose to popularity around the world as the runner-up of the first season of Arab Idol on MBC. She lost the title against Egyptian contestant Carmen Suleiman. ...read more.
18 Susan Boyle Susan Magdalane Boyle is a Scottish singer who came to international attention when she appeared as a contestant on the TV programme Britain's Got Talent on 11 April 2009, singing "I Dreamed a Dream" from Les Misérables.
19 Miranda Lambert Miranda Leigh Lambert is an American country music singer and songwriter. She is best known as a solo artist, and is a member of the Pistol Annies.
20 Fatma Said
21 Girls Aloud Girls Aloud was an English-Irish pop girl group, which was created through the ITV talent show Popstars: The Rivals in 2002. The group comprised singers Nadine Coyle, Cheryl Fernandez-Versini, Sarah Harding, Nicola Roberts and Kimberley Walsh.
22 Little Mix Little Mix are a British girl group formed in 2011, consisting of members Jade Thirlwall, Perrie Edwards, Leigh-Anne Pinnock, and Jesy Nelson.
23 Melhem Zein
24 Colton Dixon
25 Lee Mead
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