Internationally "If Your Girl Only Knew" was also a success in the UK when it was originally released by itself peaking within the top thirty of the Official UK singles chart at number 21 on August 24, 1996. In 1997 the song was re-released as a double single with "One in a Million" and it reached a new peak position at number 15 on May 24, 1997. Also in the UK the song peaked within the top 10 at number 6 on the UK Official Dance charts on August 18, 1996. On the UK official R&B charts the song also peaked within the top 10 at number 4 on August 25, 1996.