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Not only did Natalie Portman show off her new blonde 'do on Tuesday in Los Angeles, but she gave us a peek at her adorable son Aleph when she took him to a local park.

The Oscar winner had a blast pushing her 15-month old on the swings, and she held on tight as he tiptoed across a pole on the ground. If he hasn't started walking already, he's due to any day now -- she'll definitely have her hands full!

And speaking of being busy, her new hair color is for an upcoming role, but she hasn't yet revealed any details on the film. Our best guess is that it's for Jane Got A Gun, which she'll star in opposite Michael Fassbender.