Sienna Spiro (stylised in all caps; born 28 September 2005) is an English singer-songwriter. Known for her distinct and powerful voice, she began sharing viral singing videos on TikTok in 2021. She started releasing music in 2024, including "Maybe", which became her debut on the UK Singles Chart. She released Sink Now, Swim Later, her debut extended play, in February 2025. Her breakthrough success came with the release of "Die on This Hill", which charted in numerous countries.
Early life
Sienna Spiro was born on 28 September 2005 in London, England. The daughter of Arabella and Glenn Spiro, a jeweler, she has one brother, Joe, and two sisters, Talia and Skylar. Spiro is Jewish. Her mother is involved with Tikva UK, a non-profit supporting at-risk Jewish children in Ukraine, Romania & Israel.
At age 10, Spiro began writing songs, inspired by musicians such as Etta James and Frank Sinatra, as well as a range of hip-hop artists from the early 2000s. Spiro attended Francis Holland School, Sloane Square, and East London Arts & Music, before dropping out at 16 to pursue her music career full-time.
^ Royce-Greensill, Sarah (8 June 2016). "Glenn Spiro, Britain's master jeweller, opens spectacular salon in Norman Hartnell's former atelier". Telegraph.co.uk. Retrieved 31 October 2025.
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Peretz, Evgenia (8 August 2005). "The Lady and the Heel". Vanity Fair.
