John Mulaney & Olivia Munn
Everybody's in LA—including the couple's daughter Méi June Mulaney, whom the comedian and the actress welcomed via surrogate on Sept. 14.
"I am so proud of my little plum," Olivia—who also shares son Malcolm Hiep Mulaney with John—wrote on Instagram, explaining that her baby girl's name (pronounced May) is the Chinese word for plum. "My heart has exploded."
Jamie Otis & Doug Hehner
The Married at First Sight couple doubled their brood's size on Sept. 18, welcoming twin boys Hawkins Tyler Hehner—born 6:05 p.m.—and Huxley James Hehner, who arrived three minutes later.
"Baby A was born normally. I pushed him out so fast, baby B was born BREECH," Jamie later wrote on Instagram. "It was a scary moment at first bc he was quite stunned and didn’t cry immediately but when he finally kinda 'came to' & I heard his little squeal I just lost it."
Jamie and Doug are also parents to Henley Grace Hehner and Hendrix Douglas Hehner, and every year mark the "angelversary" of Johnathan Edward.
Grant Gustin & LA Thoma
The Flash alum and his physical therapist wife announced the birth of their son Arthur James Grant on Sept. 12, calling the baby boy their older daughter Juniper's new "best friend."
Cardi B & Offset
More than a month after filing for divorce, the "WAP" rapper gave birth to her third child with the Migos member Sept. 7. The former couple's older kids—daughter Kulture and son Wave—visited their new sibling in the hospital. Offset is also dad to kids Jordan, Kody and Kalea from previous relationships.
Ashley Tisdale & Christopher French
The High School Musical alum and her composer husband welcomed their second child, Emerson Clover French, Sept. 6. As Ashley, who is also mom to daughter Jupiter, wrote in an Instagram message to her baby girl, "All three of us are obsessed with you."
Lala Kent
The Vanderpump Rules star became a mom of two on Sept. 3, when she gave birth to daughter Sosa—whom she concieved through the use of a sperm donor and intrauterine insemination (IUI).
The baby girl's arrival came three years after Lala's breakup with Randall Emmett, with whom she shares older daughter Ocean.
Lea Michele & Zandy Reich
The Glee alum gave birth to her second child—a daughter named Emery Sol Reich—with the entrepreneur, writing on Instagram Aug. 25: "Our hearts are so full." She's also mom to son Ever.
Brandon Jenner & Cayley Jenner
Meet the new Princess of Malibu! The reality star and his wife welcomed daughter Joan Almond Jenner in August.
"Born at home in a flash, just the most amazing experience for mama and baby girl," Brandon—who is also dad to twin sons Bo and Sam as well as daughter Eva with ex Leah James—wrote on Instagram. "A beautiful, gentle birth. 9 lbs 2 oz, 21 1/2 inches long."
Mae Whitman
The Parenthood alum announced her journey into motherhood on Aug. 28, revealing that she named her baby boy after her former costar Miles Heizer.
Justin Bieber & Hailey Bieber
It's a baby, baby, baby, oh! The pop superstar and the Rhode skincare founder shared on Aug. 23 that they welcomed son Jack Blues Bieber.
Parker McCollum & Hallie Ray Light
The country star welcomed a new gold chain cowboy when his wife gave birth son Major Yancey Tyler McCollum on Aug. 8.
Barbara Pierce Bush & Craig Coyne
Jenna Bush Hager announced on Aug. 5 that her twin sister gave birth to a baby boy named Edward Finn Coyne.
"My sissy had a little mister," the Today anchor wrote on Instagram, "and I fell madly in love with Edward Finn!"
Alexa Lemieux & Brennon Lemieux
The Love Is Blind stars added to their family pod when their first baby made her debut last summer.
"Our perfect daughter, Vienna Ziva Lemieux, born July 31, 2024," the couple wrote on Instagram. "She has mommy’s hair and daddy’s dimples and we couldn’t be more in love."
Vanessa Morgan & James Karnik
The Riverdale star and her boyfriend welcomed baby No. 2, Kaia Autumn Skye, July 27. Vanessa is also mom to son River, whom she shares with ex Michael Kopech.
Nelly & Ashanti
The "Body on Me" collaborators welcomed their first baby together—a son named Kareem Kenkaide Hayes—on July 18, their rep told E! News in August.
Vanessa Hudgens & Cole Tucker
It's the start of something new for the High School Musical alum and the baseball player. A source confirmed to E! News in July that Vanessa gave birth to the couple's first baby.
Wayne Brady
On July 24, the Whose Line Is It Anyway? star revealed that he has a "6-month-old son that people don’t know about."
"It was not on my bingo card: 51-year-old dad—brand new kid," he continued on Wayne Brady: The Family Remix, sharing that he welcomed baby boy Val Henry with an ex-girlfriend named Tina. "I didn’t see it coming."
Wiz Khalifa & Aimee Aguilar
The "See You Again" rapper—who shares son Sebastian Taylor with ex Amber Rose—privately welcomed a baby girl, Kadence, with girlfriend of five years Aimee Aguilar on July 17.
Ashley Iaconetti & Jared Haibon
Two years after welcoming son Dawson, the Bachelor in Paradise alums added to their brood with the July 22 arrival of their second baby boy Hayden Cruise Haibon.
Maks Chmerkovskiy & Peta Murgatroyd
The Dancing With the Stars couple welcomed their third son, Milan Maksim Chmerkovskiy, on July 12. Maks and Peta are also parents to kids Shai and Rio.
Brittney Griner & Cherelle Griner
The WNBA star and her wife welcomed a baby boy named Bash weighing 7 pounds, 8 ounces, on July 8.
"That's my man. He is amazing," Brittney told CBS Sports. "They said as soon as you see them, everything that you thought mattered just goes out the window. That's literally what happened."
Sarah Herron & Dylan Brown
One year after son Oliver's death, the Bachelor Nation star and her husband welcomed twin girls Everette Rae & Colette Rose July 1.
"Fraternal twin sisters, our little 32-weekers took us all by surprise a whopping 7.5 weeks early," Sarah, who shared her IVF journey with her fans, wrote on Instagram. "We’re all adjusting to life in the NICU as we have a long road ahead of us—undeniably filled with twists and turns—but the girls are fighters and getting stronger every day—we all are. We’re so grateful for our care team and any continued prayers for our tiny warriors. Today’s plan: Sleep, breathe and grow! Welcome to the world little ones! My heart is completely outside of my body for these two miracles."
Christian Slater & Brittany Lopez
The Mr. Robot actor and his wife welcomed a son in July, People confirmed. No other details about their little one have been publicly shared.
Alicia Vikander & Michael Fassbender
The Tomb Raider star and the Steve Jobs actor took on the roles of mom and dad when they privately welcomed a baby earlier this year.
"All women have such different experiences, and going through it a second time was definitely harder for me," Alicia told ELLE UK in cover story published last July. "But I think training made it easier. Going through those nine months is like a marathon, so it does help if you’re strong going into it. It’s so physically demanding, and I have so much admiration for any woman who has done it."