Janet Jackson

A couple of weeks before turning 50, Janet Jackson shocked the world with the news that she was pregnant. Jackson announced via Twitter that she and her husband, Wissam Al Mana, are in a family way and that she'll be postponing the second leg of her Unbreakable World Tour to "rest up" per doctor's orders.
Salma Hayek

Salma Hayek, who only appears to be ageless, was actually 41 years old when she gave birth to her daughter Valentina Paloma Pinault.
Eva Mendes

At 40 years old, Eva Mendes gave birth to her first daughter, Esmeralda Amada, with Ryan Gosling. Two years later, the couple welcomed their second daughter, Amada Lee, into the world.
Halle Berry

Halle Berry was 41 when she had her first child, daughter Nahla Ariela Aubry. Her second, son Maceo Robert Martinez, was born when she was 47.
Tina Fey

Everyone's favorite Sarah Palin impersonator had her first daughter, Alice Zinobia, when she was 35. Daughter number two, Penelope Athena, came along when Tina Fey was 41.
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Madonna

Madonna gave birth to her second child, Rocco Ritchie, when she was just days shy of turning 42.
Gwen Stefani

Before their divorce, Gwen Stefani and Gavin Rossdale had three children together. Their youngest, Apollo Bowie Flynn Rossdale, was born when Stefani was 44 years old.
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Mariah Carey

Mariah Carey had Dem Babies—as she calls her twins Moroccan and Monroe—when she was 41 and still married to (now ex-husband) Nick Cannon.
Alyssa Milano

When Alyssa Milano was 38, she gave birth to her son, Milo Thomas Bugliari. At the age of 41 in 2014, she gave birth to daughter Elizabella Dylan Bugliari.
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Rachel Zoe

Rachel Zoe, designer and stylist to the stars, had her first child, Sklyer Morrison Berman, when she was 39. At 42 years old, she gave birth to her second son, Kaius Jagger Berman, in 2013.