In October 2024, Hamilton announced her departure from the girl group Atomic Kitten after 25 years.[1][2] She had previously released a solo single, "Ms. Emotional" (2010), during a hiatus from the group, however did not release her own music again until 2024, with her comeback single "Edge of Us" in May 2024, which was followed by "You Don't Know Me" in September 2024 and "Burning Letters in January 2025.[3][4]
A year later, Hamilton began teasing new music and subsequently announced "Numb" as the lead single from a musical project. It was later confirmed to be the lead single of Extraction, her debut extended play (EP).[5][6] In March 2026, Hamilton confirmed the EP's release for 19 June 2026. She also announced "Fantasy" as her next single from the EP. It was released on 13 March 2026.[7][8][9] Other tracks on Extraction will include "White Feather", "Garden of Eden" and "Milk & Honey".[10]