Dame Olivia Newton-John AC, DBE (September 26, 1948 – August 8, 2022) was an English-born, Australian-raised singer and actress. She is a four-time Grammy award winner who amassed five No. 1 and ten other Top Ten Billboard Hot 100 singles and two No. 1 Billboard 200 solo albums. Eleven of her singles (including two platinum) and 14 of her albums (including two platinum and four double platinum) have been certified gold by the RIAA. She has sold an estimated over 100 million albums worldwide.

In 1978, she co-starred with John Travolta in the film adaptation of the Broadway musical, Grease, which became one of the most successful films and movie soundtracks in Hollywood history. It features two major hit duets with co-star John Travolta: "You're the One That I Want"—which is one of the best-selling singles of all time—and "Summer Nights".