While Blake Lively narrates National Geographic's new docuseries, Secrets of the Penguins, it's the baby penguins that really steal the show. Lively, 37, lends her voice to the three-part ...

Lively, who is pregnant with her second child with husband Ryan Reynolds, captioned the side-by-side photos, "L.A. face with an Oakland booty." The caption is a line from Sir Mix-a-Lot's, "Baby ...