Michael Caine, 88, gives up alcohol to have more time with his three grandchildren

Michael Caine, 88, heads out for a low-key stroll with his wife Shakira, 74, in Chelsea

Michael Caine, 88, flashes a dazzling smile as he and wife Shakira, 74, head home after dinner

Michael Caine, 88, and wife Shakira, 74, head out for dinner