After winning singing competitions in her youth, Jenkins studied at the Royal Academy of Music, modelled and taught voice. She came to wide public attention in 2003 when she sang at Westminster Cathedral in honour of Pope John Paul II's silver jubilee. Since 2004, she has released numerous albums that have performed well on British and foreign charts. In both 2005 and 2006, her albums received Classic Brit Awards as Album of the Year. She has been seen widely in concert and has performed for British Armed Forces in Iraq and Afghanistan. She has sung at sporting events, on television shows and in support of many charities.