Kammala jumla mai zuwa: Frost ta fara aikinta na kiɗa a cikin 1998 a cikin ƙungiyar Precious, waɗanda suka kasance shigar Burtaniya a gasar Eurovision Song Contest 1999, tare da waƙar "Say It Again". Waƙar ta kasance saman 10 a cikin UK Singles Chart kuma ta zo ta goma sha biyu a cikin gasar kanta. Sakamakon da aka saki daga Precious ya sami nasara ne kawai, kuma kundi na farko ya kasa nunawa a duk, wanda ya jagoranci kungiyar ta tafi hanyoyi daban-daban a ƙarshen 2000. Frost ya ci gaba ta hanyar maye gurbin Kerry Katona a cikin Atomic Kitten, ƙungiyar 'yan mata da OMD frontman Andy McCluskey ya kafa, a cikin 2001. Bayan fitowar kundi na uku na studio, Atomic Kitten ya rabu a shekara ta 2004 duk da cewa an sake shi a 2005, 2006 da 2008. A ranar 4 ga Maris 2012 an tabbatar da cewa Atomic Kitten zai sake fasalin amma daga baya an tabbatar da cewa Frost ba zai dawo cikin kungiyar ba kuma Kerry Katona zai maye gurbinsa. Tun daga wannan lokacin Hamilton ya tabbatar da cewa za a maraba da Frost idan ta so ta sake shiga kungiyar a nan gaba. A ranar 6 ga Yuli, 2021, an sanar da cewa Frost ya sake komawa Atomic Kitten tare da sakin 'Southgate Kai ne Wanda (Kwallon kafa ya dawo gida) ', sake yin fim na 'Whole Again' don
Yuro dubu biyu da ashirin.