"Fool Again" is a song by Irish boy band Westlife. It was released on 27 March 2000 as the fifth and last single from their self-titled debut album (1999). The song debuted and peaked at number two in the band's native Ireland, making it the first Westlife song not to top the Irish chart. It became the band's fifth consecutive UK number-one single and spent 12 weeks on charts. To date, it has sold over 215,000 copies in UK, and it is the band's 14th-best-selling single in paid-for sales as well as their 13th-best-selling single in combined sales as of January 2019.