Sienna Spiro is a British singer-songwriter born on 28 September 2005 in London. She is 21 years old, stands about 5 ft 6.5 in to 5 ft 7 in tall, and is best known for the UK Top 10 hit “Die On This Hill” and her debut album Visitor.
She started by posting singing clips online at 16. Now she sells out tours and appears on Forbes’ 30 Under 30 list. This guide covers her age, height, family, career, and net worth, using official press material and reputable references. It was last checked in October 2026.
Sienna Spiro Wiki / Bio
Spiro is a soul-pop singer, songwriter, and record producer. Critics often compare her rich, slightly smoky voice to Etta James and Amy Winehouse. Her songs lean on piano, strings, and big emotional hooks.
| Detail | Information |
| Full name | Sienna Ann Spiro |
| Date of birth | 28 September 2005 |
| Birthplace | London, England |
| Age | 21 |
| Height | About 5 ft 6.5 in – 5 ft 7 in (169–170 cm) |
| Occupation | Singer-songwriter, record producer |
| Genres | Pop, soul, jazz |
| Label | Capitol Records |
| Breakthrough song | “Die On This Hill” (2025) |
| Debut album | Visitor (3 July 2026) |
Sienna Spiro Real Name
Her real name is Sienna Ann Spiro, and she records under it. There is no separate stage name. Her last name is pronounced “SPY-roh.”
Sienna Spiro Early Life and Education
Spiro grew up in London. She began writing songs at about age 10. For school, she attended Francis Holland School in Sloane Square, and East London Arts & Music is also listed in her education.
Her early influences came from classic vocalists. Reviews of her work often name Billie Holiday, Etta James, and Amy Winehouse.
Sienna Spiro Parents and Siblings
Her father is jeweller Glenn Spiro. Her mother is Arabella (née Bodie).
| Family member | Relation |
| Glenn Spiro | Father, jeweller |
| Arabella Spiro | Mother |
| Brother and sister | Half-siblings from her father’s first marriage |
| Sister | Full sister |
Some fan sites list sibling names, but those details are not backed by reliable sources, so they are left out here.
Sienna Spiro Husband and Boyfriend
Spiro is not married. No relationship has been publicly confirmed. In her official biography, she says she fears “things ending and people leaving,” and that she has often avoided new relationships because of it. Her personal life stays mostly private.
Sienna Spiro Age, Height, Weight and Physical appearance
Age: She turned 21 on 28 September 2026. Some older sites list 25 September, but Wikipedia and Apple Music both give the 28th.
Height: Sources vary slightly. Most put her between 5 ft 6.5 in and 5 ft 7 in.
Weight: She has never shared it. Fan sites guess around 125 lbs (57 kg), but that is unverified.
Official sources do not describe her build or style in detail, so this guide sticks to the verified facts above.
Sienna Spiro Before fame
At 16, in 2021, she began posting videos of herself singing on social media. Both covers and original songs started to spread. A well-known example is her Apple Music Sessions cover of Radiohead’s “Creep.”
That online following gave her a real audience before her first single arrived in 2024.
Sienna Spiro Career
Her rise has been fast and well documented.
| Year | Milestone |
| 2024 | Debut single “Need Me”; “Maybe.” became a UK hit |
| 2025 | EP Sink Now, Swim Later (21 February); “Dream Police” (May) |
| 2025 | “Die On This Hill” reaches No. 9 on the UK Singles Chart |
| 2026 | Shortlisted for the BRIT Critics’ Choice Award |
| 2026 | “The Visitor” and “You Stole The Show” join the Billboard Hot 100 |
| 2026 | Writes “Material Lover” for The Devil Wears Prada 2 soundtrack |
| 2026 | Debut album Visitor released; peaks at No. 2 on the UK Albums Chart |
Her first North American headline tour sold out in seconds. She also performed on The Tonight Show and starred in a Gap holiday campaign. Visitor was executive produced by Omer Fedi. It was recorded at Electric Lady, Abbey Road, and Valentine studios. Her next run, the My House Tour, reaches Australia and New Zealand in January 2027.
Sienna Spiro Social Media Presence
Spiro is active on TikTok, Instagram, and Spotify. TikTok is where her career began. Today she uses these platforms for live performance clips, tour news, and new releases.
Sienna Spiro Net Worth and Achievements
Net worth: There is no verified figure. Fan-site estimates range from roughly $380,000 to $1 million. Those numbers may lag behind her streaming success, since she has passed 1.3 billion streams and earned Platinum and Gold certifications.
Key achievements:
- UK Top 10 single with “Die On This Hill”
- UK No. 2 debut album, Visitor
- BRIT Critics’ Choice shortlist (2026)
- Two American Music Award nominations: Best Vocal Performance and Breakthrough Pop Artist
- Forbes 30 Under 30 list
Sienna Spiro Legacy and Impact
It is early to talk about a legacy. Still, she has shown that a social-media start can lead to a serious, album-length artistic statement. Her blend of jazz, soul, and pop has pushed orchestral ballads back onto the charts. For young songwriters, she is proof that a big vocal and honest writing can still cut through.
Sienna Spiro Nationality and Religion
She is British and was born and raised in London. Her Wikipedia profile lists her as Jewish. She has not made faith a public talking point, so there are few detailed statements from her on the subject.
Sienna Spiro Future Plan and Goals
The My House Tour will take her to North America, Asia, the UK, Europe, Australia, and New Zealand, with dates running into January 2027. She also made her debut as a featured artist on Austin City Limits. In interviews, she has described learning to enjoy the moment instead of worrying about the future, and that idea shapes Visitor. Expect more albums and more live shows.
20 Songs Lists
These 20 songs are confirmed through official tracklists and release notes.
| No. | Song | Project |
| 1 | This Is My House | Visitor |
| 2 | We’re Not In Love | Visitor |
| 3 | Great Expectation | Visitor |
| 4 | Die On This Hill | Visitor |
| 5 | He’s Not My Baby, I’m His | Visitor |
| 6 | Pure | Visitor |
| 7 | The Visitor | Visitor |
| 8 | Time, You & Me | Visitor |
| 9 | You Stole The Show | Visitor |
| 10 | Mono No Aware | Visitor |
| 11 | Butterfly Effect | Sink Now, Swim Later |
| 12 | Maybe. | Sink Now, Swim Later |
| 13 | Back to Blonde | Sink Now, Swim Later |
| 14 | Taxi Driver | Sink Now, Swim Later |
| 15 | Need Me | Sink Now, Swim Later |
| 16 | Origami | Sink Now, Swim Later |
| 17 | Cyanide | Sink Now, Swim Later |
| 18 | I Don’t Hate You | Sink Now, Swim Later |
| 19 | Dream Police | Single (2025) |
| 20 | Material Lover | The Devil Wears Prada 2 soundtrack |
Sienna Spiro Hobbies
Her public work points to a few clear interests:
- Writing songs, which she has done since about age 10
- Singing covers and reworking classics
- Performing live with piano and strings
- Collaborating with producers and orchestral arrangers
Sienna Spiro Favorite Things
Official bios share little about her personal favorites. Her music suggests a taste for vintage soul and jazz vocals, cinematic string arrangements, and lyrics about time, love, and impermanence.
Sienna Spiro Interesting Facts
- She began writing songs at age 10.
- Her father is a jeweller.
- All three of her early singles charted on the Billboard Hot 100 before her debut album came out.
- Visitor was named for her lifelong feeling of being “a visitor,” someone just passing through.
- She wrote “Material Lover” for a major film soundtrack.
- She was on Forbes’ 30 Under 30 list while still in her early twenties.
- Her debut album reached No. 2 on the UK Albums Chart.
FAQs
Who is Sienna Spiro?
She is a British singer-songwriter from London, known for “Die On This Hill” and the album Visitor.
How old is Sienna Spiro?
She is 21 years old. She was born on 28 September 2005.
How tall is Sienna Spiro?
She is about 5 ft 6.5 in to 5 ft 7 in (169–170 cm). Her weight has never been officially shared.
Does Sienna Spiro have a boyfriend?
No relationship has been publicly confirmed. She keeps her personal life private.
What is Sienna Spiro’s net worth?
There is no verified figure. Fan-site estimates run from about $380,000 to $1 million.
Who are Sienna Spiro’s parents?
Her parents are jeweller Glenn Spiro and Arabella Spiro. She has a full sister and two half-siblings.
What is Sienna Spiro’s most popular song?
“Die On This Hill” is her biggest hit. It reached No. 9 in the UK and earned Platinum certification.
What is Sienna Spiro’s debut album?
Visitor, released on 3 July 2026 via Capitol Records. It peaked at No. 2 in the UK.
Conclusion
Sienna Spiro has moved from TikTok covers to a UK No. 2 debut album in about five years. Her voice, her classic-soul style, and her honest songwriting explain the rise. Details like her weight and net worth remain unconfirmed, so treat those figures as estimates. Her tour and new music are worth watching.
