Laura Ann Osnes is an American actress and singer known for her work on the Broadway stage. She has played starring roles in Grease as Sandy, South Pacific as Nellie Forbush, Anything Goes as Hope Harcourt, and Bonnie and Clyde as Bonnie Parker, for which she received a Tony Award nomination for Best Actress in a Musical. She also starred in the title role of Rodgers & Hammerstein's Cinderella on Broadway, for which she received a Drama Desk Award and her second Tony Award nomination for Best Actress in a Musical.

Grease is a musical with music, lyrics, and a book by Jim Jacobs and Warren Casey. Named after the 1950s United States working-class youth subculture known as greasers and set in 1959 at the fictional Rydell High School in Northwest Chicago, the musical follows ten working-class teenagers as they navigate the complexities of peer pressure, politics, personal core values, and love.