Celetia Martin, known professionally as Celetia, is a British singer and songwriter whose career spans R&B, pop, and UK garage. As a solo artist, she released the albums Celetia (1996) and Runaway Skies (1998), with the singles "Rewind," "Runaway Skies," and "Sorry (You Lied to Me)" (with Masterstepz) reaching the UK Singles Chart. She also appeared as a featured vocalist on tracks by Groove Armada and Y-Tribe. Beyond performing, Celetia has built an extensive songwriting career, writing or collaborating with artists including Usher, Janet Jackson, Jennifer Hudson, Iggy Azalea, and Eric Bellinger. She also co-wrote "Goin' Crazy" for Ashley Tisdale and "Bubblegum" for the Slumber Party Girls. In 2014, she co-founded Forty Nine Publishing, focusing on developing emerging songwriters and producers.