Mindy Kaling announced in October that she had welcomed a second child into the world the month prior. Her son, Spencer joins sister, Katherine. The star has not revealed the paternity of her children. (Reuters)
Kevin Hart and his wife, Eniko Parrish, welcomed a new bundle of joy, a baby girl, in September. Kaori Mai Hart joined big brother, Kenzo, as well as Hart's children from his previous marriage: son, Hendrix and daughter, Heaven. (Getty)
Justin Timberlake and Jessica Biel have welcomed a second child, Timberlake's former *NSYNC bandmate Lance Bass confirmed back in September. The pair, who are also parents to son, Silas, have yet to publicly confirm the news. (Todd Williamson/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images)
It was revealed in September by Russian filmmaker Victor Kossakovsky that Joaquin Phoenix and Rooney Mara had welcomed their first child together: a son named River. The couple paid tribute to the "Joker" star’s late older brother, actor River Phoenix, with their newborn’s name. (Dave J Hogan/Dave J Hogan/Getty Images)
In September, Billie Lourd revealed she welcomed a son with her fiancé, Austen Rydell. The baby boy's moniker -- Kingston Fisher Lourd Rydell -- honors Lourd's late mother, Carrie Fisher. (Jon Kopaloff/Getty Images)
Former Disney star Jordan Pruitt and her husband, Brian Fuente, told Fox News back in September that they’ve welcomed a baby girl. "She came a few weeks early, but we are over the moon in love," Pruitt said of her new bundle of joy, whom they named Olivia West Fuente. (Getty)
Gigi Hadid and Zayn Malik confirmed the arrival of their daughter in separate posts on social media in September. (Getty Images)
Russell Dickerson and his wife, Kailey, welcomed their first child together – a son who they named Remington Edward Dickerson – in September, a rep for the artist confirmed to People magazine at the time. (Leah Puttkammer/FilmMagic via Getty Images)
Alec Baldwin and wife, Hilaria Baldwin, welcomed their fifth child together in September. Their new bundle of joy joins a bustling family that already includes big brothers Romeo Alejandro David, Leonardo Ángel Charles and Rafael Thomas, as well as big sisters Carmen Gabriela and Ireland, whom Alec Baldwin shares with ex-wife Kim Basinger. (Jamie McCarthy/Getty Images)
In August, Katy Perry and Orlando Bloom announced their daughter, Daisy's, arrival. This is the couple’s first child together. Bloom has a son, Flynn, with his ex-wife Miranda Kerr. (Axelle/Bauer-Griffin/FilmMagic)
Identical twin sisters Nikki and Brie Bella welcomed sons just one day apart over the summer. Nikki and her fiancé, Artem Chigvintsev, revealed their son, Matteo, was born on July 31, while Brie and husband, Bryan Danielson's, son, Buddy Dessert, arrived 22 hours later on Aug. 1. Buddy joins big sister, Birdie. (Jordin Althaus/E! Entertainment/NBCU Photo Bank/NBCUniversal via Getty Images)
"Grey’s Anatomy" star Camilla Luddington and husband, Matthew Alan, welcomed their second child together, a baby boy, in August. He joins big sister, Hayden. (Neilson Barnard/Getty Images for Entertainment Weekly)
Playboy heir Cooper Hefner and his wife, Scarlett, welcomed their first child, a baby girl, in August. (Steven Ferdman/Getty Images)
Country singer Dwight Yoakam welcomed his first child at the age of 63 with his wife, Emily Joyce. Yoakam's team made the birth announcement on his Instagram, writing that their son, Dalton Loren Yoakam, was born on Aug. 16 at 9:19 a.m. (Al Wagner/Invision/AP, File)
Katherine Schwarzenegger and Chris Pratt welcomed their first child together, a baby girl named Lyla Maria Schwarzenegger Pratt, in August. Lyla Maria joins Pratt's son, Jack, whom he shares with ex-wife Anna Faris. (Photo by Jeff Kravitz/FilmMagic)
Sophie Turner and Joe Jonas became proud new parents earlier this year. In July, Jonas' representative confirmed the news in a statement to People magazine. The baby girl is reportedly named Willa. (Matt Winkelmeyer/Getty Images)
Ciara and Russell Wilson welcomed their second child together, son Win Harrison, in July. The couple is already parents to daughter, Sienna, while Ciara has a son, Future, from a previous relationship. (Axelle/Bauer-Griffin/FilmMagic)
Country singer Morgan Wallen announced on Instagram in July that he welcomed a son, Indigo Wilder, with his ex KT Smith. (Jason Kempin/ACMA2020/Getty Images for ACM)
"Harry Potter" star Rupert Grint's girlfriend, Georgia Groome, gave birth to their first child, a baby girl, in May, the actor's publicist confirmed at the time. (Gary Gershoff/WireImage)
Actress Chloë Sevigny and boyfriend Sinisa Mackovic welcomed a baby boy, Vanja Sevigny Mačković, in May. (Dominik Bindl/WireImage)
Elon Musk and Grimes have welcomed a child together. The musician gave birth to the couple's first child together, a baby boy, Musk confirmed in May. In addition to confirming the sex of the baby, he also responded to one Twitter follower who asked for the little one's name. "X Æ A-12 Musk," he replied. (Theo Wargo/Getty Images for Huffington Post)
Golnesa Gharachedaghi gave birth to her son, Elijah Javad Gharachedaghi. The baby arrived Monday night in Los Angeles at 8:50 p.m., 6.5 pounds, 19.5 inches. (Golnesa Gharachedaghi Instagram)
Cameron Diaz and Benji Madden announced the birth of their first child, daughter Raddix, on Jan. 3. She is the couple's first child. (Getty)
Bar Rafaeli welcomed her third child with husband, Adi Ezra, in January. The couple already share Elle, 2, and Liv, 3. (Getty)
Singer KeKe Wyatt welcomed her 10th child, a son named Ke'Riah, on Jan. 6. (Getty)
John David Duggar and his wife, Abbie, welcomed their first child, a daughter named Grace, into the world in January. (TLC)
'Arrow' actor Josh Segarra and his wife, Brace, welcomed their second child, a baby boy, on Jan. 8, his rep confirmed to People. (Getty)
Jeremy and Audrey Roloff, formerly of 'Little People, Big World' are new parents to their second child, Bode. (Youtube/TLC)
Supermodel Ashley Graham and husband, Justin Ervin, welcomed their son Isaac in January, she announced on Instagram. (Getty)
DJ Khaled announced he and his wife welcomed their second boy in January. (Getty)
Christina Milian is a proud mom to her second child, a baby boy. (Associated Press)
Enrique Iglesias and Anna Kournikova welcomed their third child together on Thursday, Jan. 30, the singer announced on Instagram. (Getty)
Milla Jovovich gave birth to a daughter named Osian Lark Elliot Jovovich-Anderson, calling the newborn her "miracle baby." (Getty)
Thomas Rhett is now a dad of three. The "Look What God Gave Her" singer announced in February he and wife Lauren Akins welcomed their third daughter, Lennon Love. (Terry Wyatt/WireImage)
'Brooklyn Nine-Nine' star Melissa Fumero gave birth to her second child, Axel, on Valentine's Day. (Getty Images)
Singer Robbie Williams and wife, Ayda Field, Williams brought their fourth child into the world via surrogate, a son named Beau. The pair announced the news on Valentine's Day. (Reuters)
Laura Prepon announced the arrival of her second child on Instagram in February. "Welcoming home our new bundle of love. Overwhelmed with gratitude," the actress wrote. (AP)
Chris Noth's wife, Tara Nilson, gave birth to their second son, Keats, in February. (Paul Zimmerman/WireImage)
Brandon Jenner's wife, Cayley Stoker, delivered twins in January. (Getty)
Shay Mooney of Dan + Shay is now a father of two. His wife, Hannah, gave birth to son Ames in February. (AP Photo/Sanford Myers)
Daniella and Quentin Tarantino had a baby boy on Feb. 22. (Getty)
Teddi Mellencamp Arroyave of 'The Real Housewives of Beverly Hills' gave birth to baby girl Dove on Feb. 25. (Getty)
Jenna Dewan and Steve Kazee's baby girl Callum made her Instagram debut on March 10. (Getty)
Singer Andy Grammer and his wife, Aijia Grammer, welcomed their second daughter on April 3. (Getty)
Mariah Haas is a senior entertainment editor for Fox News Digital.