Sienna Spiro is a British singer-songwriter from London who began writing songs at age 10 and left school at 16 to pursue music full-time. Now 19, she gained initial attention through viral TikTok covers in 2022, leading to her debut singles like 'NEED ME' and the breakout track 'MAYBE.,' which has exceeded 100 million streams and charted in the UK. Her sound draws from jazz, soul, R&B, and pop influences including Etta James, Amy Winehouse, and Marvin Gaye. In February 2025, Spiro released her debut EP SINK NOW, SWIM LATER via Capitol Records, featuring tracks such as 'MAYBE.,' 'BACK TO BLOND,' and 'BUTTERFLY EFFECT,' which explore themes of self-worth and personal resilience. She performed her first public gig at age 10 in a pub open mic, covering Amy Winehouse and debuting her original 'Lady in the Mirror.' Spiro remains known for her raw, emotive live performances that highlight her distinctive raspy vocals and authentic delivery.