The stars of the hit movie "Grease" (1978), John Travolta and Olivia Newton-John became a beloved on-screen couple with their memorable performances.
Sonny Bono and Cher were a popular singing duo in the '60s and '70s. They also had a successful variety show.
Farrah Fawcett, an iconic '70s actress, and Lee Majors, known for his role in "The Six Million Dollar Man.
Bianca and Mick Jagger, the lead singer of The Rolling Stones, were a high-profile couple.
Ali MacGraw, best known for her role in "Love Story," and Steve McQueen, a legendary actor, were a prominent Hollywood couple in the '70s.
Goldie Hawn and Kurt Russell met on the set of "The One and Only, Genuine, Original Family Band" in 1968, and their relationship.
Barbra Streisand, a legendary singer and actress, was romantically involved with producer Jon Peters during the '70s.
While Diane Keaton and Woody Allen were not a real-life couple, their on-screen chemistry in the film "Annie Hall" (1977) left an indelible mark on pop culture.
Liza Minnelli, an accomplished actress and singer, was married to Peter Allen, a singer-songwriter and entertainer, during the early '70s.
Pam Grier, a popular actress in '70s blaxploitation films, and comedian Richard Pryor were romantically linked during this period.