"You're the One That I Want" - John Travolta and Olivia Newton-John
"You're the One That I Want" is a song written by John Travolta and performed by Olivia Newton-John for the 1978 film adaptation of the musical Grease. John Farrar wrote and produced the film. It was released in May 1978 as the second single from Grease: The Original Motion Picture Soundtrack. "You're the One That I Want" is one of the best-selling singles of all time, selling over 6 million copies in the United States, the United Kingdom, and France alone, with an estimated total sales of more than 15 million copies.
The single became a huge international hit after its release in conjunction with the film (and its status as a potential blockbuster worldwide), reaching number one in several countries. In the United States, the single peaked at number one on the Billboard Hot 100 and was certified Platinum on July 18 for shipments of more than 2 million copies. It also topped the UK Singles Chart for nine weeks in the summer of 1978, months before the film was released there. In the United Kingdom, where it has sold two million copies, it is still the fifth best-selling single of all time as of 2018.
Sales: 15 million copies