Sienna Spiro Artistfacts

September 25, 2005
Sienna Spiro's father is renowned jeweler Glenn Spiro, whose clientele has included Beyoncé and Michelle Obama. Glenn was so inspired by his daughter that he named a yellow diamond ring after her: the Sienna Star. When it went to auction in June 2021, the diamond fetched $3.4 million.
Musically, Spiro's sound sits somewhere between soul-pop and jazz, echoing the old records she grew up hearing at home. "When I was younger, my dad used to play all old soul and jazz records, which is always the core of my inspiration when I write," she told Dazed, citing influences like Etta James, Frank Sinatra, Amy Winehouse, and Frank Ocean.
Her very first performance outside of school was in a pub when Spiro was 10 years old. At the time she was being mentored by a teacher-and-daughter duo who would send her to open-mic nights.

"For the first one, I was terrified, but being on stage and singing in front of people is my favorite thing in the whole world and I don't think there's a feeling that will ever be the same as that," Spiro told Principle magazine.

She performed two songs: her self-penned "Lady in the Mirror" (about being bullied), and a cover of Amy Winehouse's "Love Is A Losing Game."
After leaving her secondary school to apply for music school, Spiro was initially rejected from her first choice and had no backup, so she started emailing schools begging them to let her in. Her persistence eventually paid off when she was accepted into East London Arts & Music (ELAM). But eight months in, she dropped out after finding a manager, deciding to follow the momentum rather than the syllabus.
Her big break came in 2021 during the pandemic, when she began uploading stripped-down performances to TikTok, often filmed from her shower floor or her bed. One cover - Finneas' "Break My Heart Again" - went viral, and soon she had management interest flooding in. In November 2022, Spiro's rendition of Emeli Sandé's "Read All About It (Pt. III)" garnered over 4 million views.
After signing with Capitol Records, Spiro released her debut single, "Need Me," in May 2024, followed by "Maybe" in August, which reached #72 on the UK Official Singles Chart. But it was her emotional ballad "Die On This Hill" (released October 10, 2025) that was her big breakthrough, debuting at #26 and earning her comparisons to early Adele for its piano-led production and Spiro's raspy, soulful vocal delivery.
Spiro has loved the 1960s all her life and cites '60s films and Barbra Streisand as the inspiration for her look. Her hair evolved gradually. She started with a side part, then swept it back, then raised it higher over time.

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