John Mayer, 45, grabs dinner with Mad Men child star Kiernan Shipka, 22, at Giorgio Baldi 

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John Mayer, 45, looks casual cool as he dines out with Mad Men child star Kiernan Shipka, 22, at Giorgio Baldi in Santa Monica

John Mayer was spotted Sunday dining with actress Kiernan Shipka at Giorgio Baldi in Santa Monica.

The hitmaker of Your Body Is a Wonderland 45 opted for a casual cool look with a black windbreaker over an olive green shirt and gray cargo pants.

Meanwhile, Mad Men child star Kiernan Shipka, 22, looked chic as ever in a sophisticated gray trench coat for the outing.

Dinner date: John Mayer, 45, was spotted Sunday having dinner with actress Kiernan Shipka, 22, at Giorgio Baldi in Santa Monica

Dinner date: John Mayer, 45, was spotted Sunday having dinner with actress Kiernan Shipka, 22, at Giorgio Baldi in Santa Monica

Dinner date: John Mayer, 45, was spotted Sunday having dinner with actress Kiernan Shipka, 22, at Giorgio Baldi in Santa Monica