Despite the fact that the average age of first-time mothers is the highest it鈥檚 ever been (26.3, as of 2014) and celebrity men of a certain age seem to be having babies left and right (Mick Jagger is a dad again at 73 while Mel Gibson is soon to meet his ninth child at age 60), many were still shocked when Janet Jackson welcomed her first child, a bouncing baby boy named Eissa Al Mana, at the age of 50 earlier this month.

LOS ANGELES, CA - JUNE 28: Janet Jackson speaks onstage during the 2015 BET Awards held at Microsoft Theater on June 28, 2015 in Los Angeles, California. (Photo by Michael Tran/FilmMagic)

Studies show that women who wait to have children until later in life are offering these children a better quality of life, but health factors 鈥 such as fertility, gestational diabetes and premature delivery, to name a few 鈥 can also become an issue with time. While many squabble about the exact age that these things can begin to affect an expecting mother, those 35 or older are offered genetic counseling to plan for the unexpected. But is it really all that uncommon?

Not in Tinseltown! Below, find 18 Hollywood moms who bit the bullet and gave birth at age 40 or older, status quo be damned.

LOS ANGELES, CA - MAY 20: Actress Halle Berry and her daughter, Nahla Ariela Aubry, as seen on May 20, 2013 in Los Angeles, California. (Photo by SMXRF/Star Max/FilmMagic)

1. Halle Berry: Halle had both babies (daughter Nahla Ariela, eight, and son Maceo Robert, three) over 40, giving birth at age 41 and 47, respectively. (Photo via SMXRF/Star Max/Getty)

Happy New Years!!! Gx

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2. Gwen Stefani: Though 47-year-old Gwen is no longer with ex hubby Gavin Rossdale, the former couple did have one last child prior to their 2016 split, with Gwen giving birth to the now-two-year-old Apollo in her 44th year.

SANTA MONICA, CA - OCTOBER 06: Recording artist Mariah Carey, her husband Nick Cannon and their children Monroe Cannon (L) and Moroccan Cannon attend "Family Day" hosted by Nick Cannon at Santa Monica Pier on October 6, 2012 in Santa Monica, California. (Photo by Amanda Edwards/Getty Images)

3. Mariah Carey: Leave it to diva Mariah Carey to one up everyone (sans fellow divas Celine and Geena) and have not one, but two babes at the same time over 40: She had twins at 42. (Photo via Amanda Edwards/Getty)

NEW YORK, NY - DECEMBER 25: Julianne Moore and Liv Freundlich attend Boston Celtics Vs. New York Knicks game at Madison Square Garden on December 25, 2016 in New York City. (Photo by James Devaney/GC Images)

4. Julianne Moore: Julianne Moore is now well into her 50s, but in her early 40s, her family wasn鈥檛 quite complete without the addition of one daughter, Liv (now 14), when she was 42. Not that you鈥檇 ever know it 鈥 these two could easily be sisters! (Photo via James Devaney/Getty)

Hi!

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5. Geri Haliwell Horner: Spice Girl Geri Haliwell Horner may be 44, but she鈥檚 still giving us #PregnancyGoals as she shows off her bump with baby number two.

Let's Swim.

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6. Uma Thurman: 46-year-old Uma gave birth to now four-year-old daughter Luna back in 2012, making her 42 when she welcomed her little girl into her family.

PRINCETON, NJ - JULY 02: Tina Fey and her daughter Penelope Athena Richmond filming on location for "Admission" on July 2, 2012 in Princeton, New Jersey. (Photo by Bobby Bank/WireImage)

7. Tina Fey: Funnywoman Tina Fey鈥檚 second child, one Penelope Athena Richmond, put her at 41 when she gave birth five years ago. (Photo via Bobby Bank/Getty)

Eva Amurri, Susan Sarandon, Tim Robbins, Miles Robbins, Jack Robbins (Photo by Sylvain Gaboury/FilmMagic)

8. Susan Sarandon: Barring Eva Amurri (who is, incidentally, now expecting her second child), whom she had at 39, all of Susan鈥檚 children have been born post 40. Son Jack was born at 42 and Miles at 45: a miracle, of sorts, considering Susan had been told she would never be able to conceive at all. (Photo via Slyvain Gaboury/Getty)

LOS ANGELES, CA - JULY 29: Actress Salma Hayek and daughter Valentina Paloma Pinault arrive at the Screening of GKIDS' "Kahlil Gibran's The Prophet" at Bing Theatre At LACMA on July 29, 2015 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)

9. Salma Hayek: Salma Hayek, believe it or not, is in her fifth decade on planet Earth (wut!), so it鈥檚 no surprise that she鈥檇 make 41 (the age at which she had her one and only daughter Valentina) look like the new 31 and do the damn thang: The woman鈥檚 aging like a fine wine! (Photo via Frazer Harrison/Getty)

LAS VEGAS, NV - FEBRUARY 16: Singer Celine Dion waves as she holds her son Nelson Angelil, with his twin Eddy Angelil in the background, as she arrives at Caesars Palace February 16, 2011 in Las Vegas, Nevada. Dion will begin rehearsals for her new show set to debut March 15 at The Colosseum at Caesars Palace. (Photo by Ethan Miller/Getty Images)

10. Celine Dion: Prior to his passing at the age of 73, Celine鈥檚 late husband Ren茅 Ang茅lil gave his much younger 鈥 but still over 35, at 42 years old鈥 wife twin boys with the help of IVF. (Photo via Ethan Miller/Getty)

NEW YORK, NY - AUGUST 11: Actress Meryl Streep (L) and Louisa Gummer attend "The Giver" premiere at Ziegfeld Theater on August 11, 2014 in New York City. (Photo by Monica Schipper/FilmMagic)

11. Meryl Streep: Our feminist hero of the week, Meryl Streep (now 67 and still fierce AF, in case you missed her Golden Globes speech)鈥檚 daughter Louisa may be old enough to have a babe of her own now at 25, but when she was born in 1991, Meryl was closer to double her age at 42. (Photo via Monica Schipper/Getty)

NEW YORK - NOVEMBER 16: (ITALY OUT, NY DAILY NEWS OUT, NY NEWSDAY OUT) Actress Nicole Kidman and singer Keith Urban leave with their daughter Sunday Rose from the Plaza Hotel on November 16, 2009 in New York City. (Photo by Arnaldo Magnani/Getty Images)

12. Nicole Kidman: While Nicole struggled to conceive a fourth child, choosing surrogacy for delivering her youngest, Faith, she gave birth naturally at age 41 to daughter Sunday Rose. (Photo via Arnaldo Magnani/Getty)

#aboutlastnight #GoKingsGo #TeamTouch Hat!

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13. Alyssa Milano: Alyssa was also 41 when she was blessed with her second babe, Elizabella Dylan, but says she likely won鈥檛 be conceiving again anytime soon, telling People, 鈥淲hy push my luck?鈥

14. Molly Sims: Despite giving advice that encourages others to plan for a family ahead of time (鈥淭ime doesn鈥檛 wait on you,鈥 she says), 43-year-old Molly managed to hit the jackpot in the post-40 baby department not once, but twice: She had her second child, Scarlett, just last year (making her 42 at the time of birth), and son Grey Douglas Stuber just this past Wednesday.

LONDON, ENGLAND - DECEMBER 08: Marion Cotillard attends the "Assassin's Creed" photocall at Claridges Hotel on December 8, 2016 in London, England. (Photo by Tristan Fewings/Getty Images)

15. Marion Cotillard: Marion Cotillard wasn鈥檛 afforded the luxury of a super sweet birth announcement, forced instead to give one when rumors began swirling of an on-set affair with then co-star Brad Pitt, but the expecting 41-year-old is glowing, nonetheless, with her ACTUAL baby daddy Guillaume Canet more than happy to defend her honor. (Photo via Tristan Fewings/Getty)

16. Alanis Morissette: Less than one month into her 42nd birthday, singer Alanis Morissette (who had some killer photoshoots during her pregnancy) expanded her family of three to four with the addition of daughter Onyx Solace Morissette-Treadway.

17. Tori Spelling: Tori Spelling is 43, but she isn鈥檛 showing any signs of slowing down 鈥 girl is on baby number five, even after a placenta previa scare (a condition where the placenta blocks the cervix) that took place during her pregnancy with her fourth child, Finn.

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18. Geena Davis: Ever the Thelma to Susan Sarandon鈥檚 Louise, Geena also had all three kids post-40, with twins coming at age 48, two years after the birth of her daughter Alizeh at 46. (Photo via Carlo Allegri/Getty)

Did you have a baby over 40? Share you experience with us @BritandCo!

(Photo via Michael Tran/Getty)