Liv Tyler Works a Tuxedo Blazer, Slimming Leggings on the Red Carpet: See Her Post-Baby Body

Mommy's night out! 

Liv Tyler hit up the red carpet this week for the first time since giving birth to her son, Sailor Gene Gardner, five weeks ago. The Leftovers actress, 37, revealed her slim figure at the 2015 New York Spring Spectacular opening night at Radio City Music Hall on Thursday, March 26.

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Tyler stunned in a boxy, boyfriend-cut tuxedo blazer that she paired with slimming black leggings. Steven Tyler's daughter accessorized with printed ankle-strap sandals, a black satin clutch, and alluring teardrop earrings. 

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The new mom looked radiant, sweeping her long brown hair to the side and sporting natural makeup.

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Tyler, who already has a 10-year-old son named Milo, announced the arrival of her newborn with boyfriend David Gardner on Instagram. The adorable picture featured the new baby holding a sapphire blue locket with an anchor emblem. "Sailor Gene Gardner @davidgardner," she captioned the photo. 

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This article originally appeared on Usmagazine.com: Liv Tyler Works a Tuxedo Blazer, Slimming Leggings on the Red Carpet: See Her Post-Baby Body