Question: Which singer is known for their single "Beautiful" featuring the South Korean rapper Zico?

Context articles: Zico discography
Zelo
Zick Jasper
Park Bo-ram
T.O.P (rapper)
Beenzino
List of songs written by Ravi
Gwiyomi
Zico (rapper)
Ok Taec-yeon

Woo Ji-ho (Korean: 우지호; born September 14, 1992), widely known by his stage name, Zico (Korean: ), is a South Korean rapper, producer, singer-songwriter and leader of the boy group Block B, signed under the label Seven Seasons.
 He has released one solo album, "Gallery" (2015).
Choi Jun-hong (Hangul: 최준홍; born October 15, 1996) better known by his stage name Zelo, is a South Korean rapper, dancer, singer and beatboxer.
 He is best known as a member of the South Korean boy group B.A.P.
 He made his recording debut with the single "Never Give Up" under B.A.P's sub-unit Bang&Zelo in November 2011.
 He is currently signed under TS Entertainment.
Kim Han-gil (Hangul: 김한길 ; born July 26, 1988) better known by his stage name Zick Jasper (직 재스퍼 ), formerly 5Zic, is a South Korean rapper and beatboxer.
 His was a former member of the hip-hop group M.I.B, where he served as a rapper and the leader of the group.
 He made his recording debut with the single "Beautiful Day" just before his debut with the group.
 He is currently signed under Jungle Entertainment.
Park Bo-ram (; born March 1, 1994) is a South Korean singer.
 She took a part in Mnet's "SuperStar K2" and finished in eighth place.
 Park made her debut with release digital single "Beautiful" featuring Zico on August 7, 2014.
 That year, she won Artist of the Year for August at the Gaon Chart K-Pop Awards and was nominated for Best New Artist at the Mnet Asian Music Awards, Golden Disk Awards, and Melon Music Awards.
Choi Seung-hyun (; born November 4, 1987), better known by his stage name T.O.P, is a South Korean rapper, singer, songwriter, record producer and actor.
 T.O.P rose to fame in the mid-2000s as one of two rappers in the South Korean boy band Big Bang.
 Released under YG Entertainment, the group became one of the best-selling groups of all-time in Asia and one of the best-selling boy bands in the world.
 In 2010, while the group was on hiatus, T.O.P and G-Dragon formed a duo to record and release the number-one collaboration album, "GD & TOP".
 As a solo rapper, he has released two digital singles, "Turn It Up" (2010) and "Doom Dada" (2013), which peaked at number two and four, respectively, on the Gaon Digital Chart.
Lim Sung-bin (Hangul: 임성빈; born September 12, 1987), better known by the stage name Beenzino (Hangul: 빈지노), is a South Korean rapper currently signed under Illionaire Records.
 His stage name is a play on that of Boston rapper Benzino, combined with "빈" (pronounced "been") from his birth name.
 Beenzino made his first official public appearance at Dok2's Hustle Real Hard Concert on June 5, 2011 and has since released three solo albums, as well as other works in collaboration with hip hop producers Primary and Shimmy Twice, and as the duo Hot Clip with South Korean rapper Beatbox DG.
 He is noted for his melodic style of rapping.
Ravi is a South Korean rapper, songwriter and producer, signed under Jellyfish Entertainment.
 He began his career as a rapper in 2012 in the South Korean boy group VIXX, and later formed VIXX's first sub-unit VIXX LR with band mate Leo in 2015.
 Ravi's songwriting career began with his participation in co-writing VIXX's debut single "Super Hero".
 As of November 2016 with the release of "VIXX 2016 Conception Ker", Ravi has contributed to the writing and composing of over 46 songs recorded by VIXX.
 Ravi is widely known for his participation of composing and songwriting rap portions for the group as well as lyrics and music.
The Gwiyomi Song, or Kwiyomi Song (귀요미 송), is a K-pop single by South Korean singer Hari and was released on February 18, 2013.
 It was inspired by a gesture from South Korean rapper Jung Ilhoon of boy group BtoB.
 The gesture is called 'Gwiyomi Player', that was popularized by South Korean variety show "Weekly Idol" through a segment called "The Aegyo Battle" (Battle of Cuteness) following Ilhoon's guest appearance on the show in October 2012.
 The song went on to be a viral success and an Internet meme after Korean Media outlet "Sports Seoul" uploaded a clip of Hari performing the gestures and singing the song.
 This video has since inspired many Asian netizens to upload their own versions onto the internet.
Woo Ji-ho (Korean: 우지호; born September 14, 1992), widely known by his stage name, Zico (Korean: ), is a South Korean rapper, producer, singer-songwriter and leader of the boy group Block B, signed under the label Seven Seasons.
 He has released two solo albums, "Gallery" (2015) and "Television" (2017).
Ok Taec-yeon (; born December 27, 1988), known mononymously as Taecyeon, is a South Korean rapper, singer, songwriter, actor and entrepreneur.
 He is the main rapper of the South Korean boy group 2PM.