(CNN) - Actor John Travolta, who co-featured with Olivia Newton-John in the hit melodic film Grease, put out an announcement regarding the late vocalist. "My dear Olivia, you have made our lives such a ton better." ' the entertainer composed on Instagram.' Her effect was extraordinary. I love you definitely. Newton-John and Travolta rose to worldwide popularity playing terrible kid Danny and sweet Sandy in the 1978 melodic film Grease.Just a couple of years prior, the couple reprized their jobs on a unique night in West Palm Beach, Fla., when they went to a tune from the film and a back and forth discussion at the Coral Sky Amphitheater. Matching sweatshirt, complete with white button. Travolta wore an exemplary cowhide coat with her hair slicked back. It's whenever the two first have spruced up since they originally shot the film over quite a while back, Newton-John composed on Instagram at that point. In his accolade, Travolta added, "See you out and about and we'll be in every way back together."