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Alicia Silverstone gave birth to son Bear (her first child) on May 5, and X17online has the first photos of her since!

The actress was taking a walk with a friend in LA Thursday -- she looks like she's been working out frequently since baby.

When Bear was first born, Alicia took to her blog, saying of her new family with hubby Chris Jarecki, "We are all three in love!" But, she hasn't blogged since. Probably way too busy being a new mom!

See more pics of Alicia after the jump.