Robin Arzón, Naomi Campbell, and 52 Other Celebs Who Had Kids After Age 40

For comedian and actor Tina Fey, the decision to have another baby after welcoming daughter Alice Zenobia in 2005 wasn't an easy one. In her memoir "Bossypants," Fey explained her trepidation, writing, "Science shows that fertility and movie offers drop off steeply for women after 40."

Fey gave birth to baby number two, daughter Penelope Athena, in 2011, at the age of 41.