Crystal Gayle (born Brenda Gail Webb; January 9, 1951) is an American country music singer.
 Best known for her 1977 country-pop crossover hit song, "Don't It Make My Brown Eyes Blue", she had twenty #1 country hits during the 1970s and 1980s (18 on "Billboard" and 2 on "Cashbox") and six albums certified gold by the Recording Industry Association of America.
 Gayle became the first female artist in country music history to reach platinum sales, with her 1977 album "We Must Believe in Magic".
 Also noted for her nearly floor-length hair, she was voted one of the 50 most beautiful people in the world by "People" magazine in 1983.
 She is the younger sister of the country singer-songwriter Loretta Lynn and the singer Peggy Sue and a distant cousin of singer Patty Loveless.
 Gayle is a member of the Grand Ole Opry and has a star on the Hollywood Walk of Fame, near Lynn's star.
Ketevan "Katie" Melua ( ; Georgian: ქეთევან „ქეთი“ მელუა ; ] ; born 16 September 1984) is a Georgian-British singer, songwriter and musician.
 She moved to Northern Ireland at the age of eight and then to England at fourteen.
 Melua is signed to the small Dramatico record label, under the management of composer Mike Batt, and made her musical debut in 2003.
 In 2006, she was the United Kingdom's best-selling female artist and Europe's highest selling European female artist.
Shania Twain, OC ( ; born Eilleen Regina Edwards; August 28, 1965) is a Canadian singer and songwriter.
 Twain has sold over 100 million records, making her the best-selling female artist in country music history and among the best-selling music artists of all time.
 Her success garnered her several honorific titles including the "Queen of Country Pop".
"Love Gets Me Every Time" is a song by Canadian singer-songwriter Shania Twain.
 It was written by Twain along with her then husband Robert John "Mutt" Lange, and produced by Lange.
 It was released on September 23, 1997 by Mercury Records Nashville as the lead single from Twain's third studio album "Come On Over" (1997).
 It was chosen as such following weeks of careful deliberation and constant reconsidering.
 Originally titled "'Gol Darn Gone and Done It", the song's title was altered because of its difficulty to pronounce.
 The song regards falling in love despite numerous attempts to evade it.
 It is an uptempo number that prominently features fiddle.
Barbra Streisand is an American actress, singer-songwriter, and author.
 Her discography consists of 117 singles, 35 studio albums, and 9 compilations, 7 live albums and 15 soundtracks.
 She is one of the best-selling female music artists of all time, with more than 68.5 million albums in the United States and with a total of 145 million records sold worldwide, making her the best-selling female artist among the top-selling artists recognized by the Recording Industry Association of America.
 (The only female in the top ten, and the only artist outside of the rock 'n' roll genre.)
Mariah Carey (born March 27, 1969 or 1970) is an American singer, songwriter, record producer, and actress.
 In 1990, she rose to fame with the release of "Vision of Love" from her eponymous debut album.
 The album produced four chart-topping singles in the US and began what would become a string of commercially successful albums which solidified the singer as Columbia Records' highest selling act.
 Carey and Boyz II Men spent a record sixteen weeks atop the "Billboard" Hot 100 in 1995–1996 with "One Sweet Day," which remains the longest-running number-one song in US chart history.
 Following a contentious divorce from Sony Music head Tommy Mottola, Carey adopted a new image and traversed towards hip hop with the release of "Butterfly" (1997).
 In 1998, she was honored as the world's best-selling recording artist of the 1990s at the World Music Awards and subsequently named the best-selling female artist of the millennium in 2000.
Kirk Whalum (born July 11, 1958) is an American smooth jazz saxophonist and songwriter.
 He toured with Whitney Houston for more than seven years and soloed in her single "I Will Always Love You," the best-selling single by a female artist in music history.
 He was also featured on many Luther Vandross albums, most often playing on the singer's covers of older pop and R&B standards like "Anyone Who Had a Heart," "I (Who Have Nothing)," and "Love Won't Let Me Wait."
This is the list of best-selling albums in Taiwan.
 Seven domestic albums and one international album have shipped over a million copies in Taiwan.
 Chinese singer Jacky Cheung is the best-selling artist in Taiwan, with three albums sold more than one million copies, while Taiwanese singer A-mei is the best-selling female artist in Taiwan.
 Taiwan's album sales peaked in 1990s, but it was adversely impacted by the copyright infringement and Internet downloads since the 21st century.
American singer and songwriter Mariah Carey has released fourteen studio albums, one soundtrack album, one live album, three compilation albums, three greatest hits albums, one extended play, and one remix album.
 Carey is one of the best-selling music artists of all-time, having sold over 200 million records globally.
 She was presented with the Millennium Award at the 2000 World Music Awards for becoming the best-selling female artist of the millennium.
 According to the RIAA, she is the third best-selling female artist and sixteenth overall recording artist with shipments of 64 million albums in the US.
 She is also ranked as the best-selling female artist of the US Nielsen SoundScan era (from 1991) with album sales of 54 million.
 Her albums "Mariah Carey", "Music Box", "Daydream" and "The Emancipation of Mimi" are among the top 100 certified albums according to the RIAA.
Clara Ann Fowler (November 8, 1927 – January 1, 2013), known by her professional name Patti Page, was an American singer of traditional pop music and country music.
 She was the top-charting female vocalist and best-selling female artist of the 1950s, selling over 100 million records during a six-decade long career.
 She was often introduced as "the Singin' Rage, Miss Patti Page".
 New York WNEW disc-jockey William B. Williams introduced her as "A Page in my life called Patti".

Question: What singer of "Love Gets Me Every Time" is the best-selling female artist in country music history?
Answer: Shania Twain