Upon its release, "Think Twice" became a hit in Europe and Australia. Uniquely for Dion's discography, whilst the song was not a major hit in America, it was a runaway hit in the United Kingdom, going on to be one of the biggest-selling records of all time. It remains Dion's second-biggest hit in the UK, eclipsed only by "My Heart Will Go On," and is widely credited amongst British fans as cementing Dion, previously most-known in the United Kingdom for her victory in the 1988 Eurovision Song Contest, as a major star to British audiences.