Matt Damon was on daddy duty yesterday in New York City!

Even though it's been a busy week for Damon (he celebrated his 42nd birthday on Monday), the action-star still managed to spend some quality time with his youngest daughter, Stella, in Manhattan on Tuesday.

The twosome spent the afternoon checking out some shops before making their way to SoHo.

Little Stella seems like quite the character -- the 1-year-old had some fun with paparazzi as she made funny faces at the cameras without Damon even noticing.

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That evening, the doting dad played the role of a supporting friend at the New York screening of buddy Ben Affleck’s latest film "Argo," alongside famous friends George Clooney, Glenn Close and Michael Douglas.

Click "Launch Gallery" above to see all of the adorable pics from their day out!

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