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25th September 2005

Sienna Spiro

English singer-songwriter

Sienna Spiro is an English singer-songwriter. After sharing various viral singing videos on TikTok, she began releasing singles from 2024, including the UK No. 75 hit "Maybe". She released Sink Now, Swim Later, her debut extended play, in February 2025. Read more on

Sienna Spiro is known for being a:

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  • Sienna Spiro
  • Age:
    21
  • Birthday:
    25th September 2005
  • Gender:
    Female
  • Star Sign:
    Libra
  • Place of Birth:
    London Borough of Enfield
  • Country:
    United Kingdom of Great Britain and Northern Ireland

Sienna Spiro's birthday buddies are:

Tate Donovan

Tate Donovan

American actor

63 25th Sep
Mark Hamill

Mark Hamill

American actor, producer, director, and writer

75 25th Sep
Will Smith

Will Smith

American actor, film producer and rapper

58 25th Sep
David Benioff

David Benioff

Writer

56 25th Sep

There are 54 more famous people who are born on the same day as Sienna Spiro. We're showing the top 4 most popular below but you can see the rest here.

See more birthdays on 25th September

Celebrities who are the same age as Sienna Spiro

There are 153 more celebrities who are age 21 like Sienna Spiro. We're showing the top 4 most popular below but you can see the rest here.

IShowSpeed

IShowSpeed

American YouTuber (born 2005)

21 21st Jan
d4vd

d4vd

American singer

21 28th Mar
Dean Huijsen

Dean Huijsen

Professional footballer who plays as a centre-back for...

21 14th Apr
Christian Crown Prince of Denmark

Christian Crown Prince of Denmark

Prince of Denmark

21 15th Oct
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