Kim Si-hyeon
South Korean pop singer, born August 1999

Kim Si-hyeon (Korean: 김시현; born August 5, 1999), known mononymously as Sihyeon, is a South Korean singer and actress. She is the leader and vocalist of girl group Everglow, formed by Yuehua Entertainment.
Life and career
1999–2018: Early life and career beginnings
Kim was born on August 5, 1999, in Bundang District, Seongnam, South Korea. In 2016, Kim competed in the first season of Mnet's reality television competition Produce 101 where she got finished at the 40th placed afterwards, and signed a contract with Yuehua Entertainment. In 2018, Kim joined the third season of the franchise, Produce 48 alongside future group mate Wang Yiren. Kim placed 27th and was once again eliminated in the third round with Wang Yiren.
2019–present: Debut with Everglow and solo activities
Kim debuted with Everglow on March 18, 2019. Everglow released their first single album, Arrival of Everglow, with the lead single "Bon Bon Chocolat", with their debut showcase. On February 7, 2020, Kim was chosen as a new MC for SBS MTV's music program "The Show" alongside The Boyz's Juyeon and Kim Min-kyu. On May 25, 2021, it was announced that Kim would be replacing E:U as the leader of Everglow, as E:U stated that she didn't have any strength while being a leader.
This brief starts where responsible research should: with the source description of “Kim Si-hyeon” as south Korean pop singer, born August 1999. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the people & ideas register because the source frames it as south Korean pop singer, born August 1999. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Jan 31, 2026. The linked authority identifier is Q62919296. VIAF identifies the subject as 5500163877677646060000. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1999, 2018, 2016 and 2019.
Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Kim Si-hyeon” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.