The actress — who played Pink Lady Betty Rizzo alongside Newton-John's Sandy in the 1978 musical film Grease — shared a heartfelt tribute to her costar, who died Monday morning at age 73.

Cast members from the 1978 musical film Grease are mourning the loss of their ... Stockard Channing, who played Pink Lady Betty Rizzo, also remembered her costar on Monday, telling PEOPLE in ...

‘Grease: Rise of the Pink Ladies’ premieres April 6 on Paramount ... of stars in the latest installment of the high school musical franchise.