Portman's son Aleph keeps watch during a stroll through L.A. Plus: Tina Fey, Heidi Klum & Tim Gunn, Jennifer Love Hewitt, Ryan Kwanten and more
Credit: REX USA
Published: Thursday Aug 22, 2013 | 07:00 PM EDT
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Funny lady Tina Fey heads to the Late Show with David Letterman's Big Apple studio on Wednesday to promote her latest projects.
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