Amelia Anne "Mimi" Webb (born 23 July 2000), is an English singer and songwriter. In October 2021, she released her debut EP, Seven Shades of Heartbreak, which peaked at number nine on the UK Albums Chart, and included the single "Good Without", which peaked at number eight on the UK Singles Chart. Webb released her debut studio album, Amelia, in March 2023, which spawned the successful singles "House on Fire", "Ghost of You" and "Red Flags".

Webb was born in 23 July 2000.She attended the independent school Kent College in Canterbury. She learned guitar and piano, and began to write her own songs at age 13. She credits her piano teacher with encouraging a musical career when she was 15. She cites Adele, Amy Winehouse, Emeli Sandé, and Sam Smith among her influences, along with jazz/pop singers Louis Armstrong, Etta James, Ella Fitzgerald and Nat King Cole.

At the age of 16, she moved to Brighton to attend Brighton Music College (part of the British and Irish Modern Music Institute). She participated with fellow students in musical performances and competitions. She visited Los Angeles in December 2018 with her artist manager to meet with record labels. In February 2019 at the age of 18, she signed with Epic Records.