“Olympia Dukakis Was an Amazing, Academy Award Winning Actress,” the singer tweeted.
Then, Cher lamented, “I Talked To Her 3 Wks Ago.
Rip Dear One.”

The two met while filming “Moonstruck” in 1987 (viaIMDb).
Cher played Loretta Castorini, while Dukakis played her mother, Rose.
“She Said ‘She might Not HEAR or SPEAK.’

I Called In 2 The Receiver ‘Olympia It’s Cher, I [love] You.’
Remember Moonstruck, She Said ‘oh cher, I [love] you ‘She Was Weak But Happy.
Loretta ‘NO’ Rose ‘GOOD.’
‘CAUSE WHEN YOU LOVE THEM THEY DRIVE YOU CRAZY, BECAUSE THEY KNOW THEY CAN.'”