Al Pacino is speaking out after the death of his The Godfather co-star and ex-girlfriend Diane Keaton.

If you didn’t know, after starring together in 1972′s The Godfather, Al, 85, and the Annie Hall actress dated on and off in the 1980s.

Days after Diane died at the age of 79 on October 11, Al shared a message remembering the Oscar-winning actress.

Keep reading to find out more…” I am deeply saddened by Diane Keaton’s passing,” Al shared with Deadline on Thursday (October 16).

“When I first heard the news, I was shaken. Diane was my partner, my friend, someone who brought me happiness and on more than one occasion influenced the direction of my life,” he continued. “Though over thirty years has past since we were together, the memories remain vivid, and with her passing, they have returned with a force that is both painful and moving.”

The Oscar-winning actor added, “She lived without limits, and everything she touched carried her unmistakable energy. She opened doors for others, inspired generations and embodied a once-in-a-lifetime gift that radiated through her work and her life. On screen, she was magnetic — lightning and charm, hurricanes and tenderness. She was a wonder. Acting was her art, but it was only one of the many ways she expressed her imagination and creativity.”

“People will miss her, but more than that, they will remember her. She left a mark that cannot fade. She was unstoppable, resilient and above all, deeply human,” Al concluded. “I will always remember her. She could fly — and in my heart, she always will.”

If you missed it, Diane‘s family revealed her cause of death.