Millie Bobby Brown & More Celebs Celebrating Their First Mother's Day

Sinners actress Hailee Steinfeld and NFL QB husband Josh Allen drafted a new member to their squad in spring 2026. "Our baby girl has arrived!!" the pair announced in a post shared to Steinfeld's Beau Society Substack April 2. "We're feeling incredibly grateful and blessed and savouring these early moments. Thank you so much for the love and well wishes."

These truly have been the best days of Kristen Doute's life. "She's here, and we still can’t believe it," The Valley star told Us Weekly in June 2025 after she and fiancé Luke Brodrick welcomed daughter Kaia. "Luke is even hotter as a dad, and I just feel so lucky."

Ain't nobody love like singer Tori Kelly does with son Zayden. "i actually can’t believe i’m a whole MOM," the musician wrote on Instagram in November 2025, weeks after welcoming her first child with husband André Murillo. "like… a literal mother lol. wild. i’m sooo obsessed with our lil man & its already going by too fast."

New motherhood is pretty fantastic if you ask Vanessa Kirby. "I'm learning that becoming a parent slows you down and wakes you up at the same time," the Fantastic Four actress' lacrosse player boyfriend Paul Rabil wrote on Instagram in October 2025. "That I'm really grateful for everyone’s health, that I get to wake up everyday to mum’s enormous love, and that we get to have you in our lives now."

Lauren Alaina has been sittin’ pretty on top of the world since she and husband Cam Arnold welcomed daughter Beni in June 2025. "From the stadium stage straight to the mom stage," she wrote on Instagram of balancing performing with parenting, "and I’m loving every minute of it."

She threw a wish in the well and in March 2026 Carly Rae Jepsen and husband Cole M.G.N. said hello to their first child. "Last two weeks have been the best of my life," the "Call Me Maybe" musician wrote in a March 17 Instagram Story. "Welcome to the world little one."

The rest is very much being written by Lo Bosworth. Two months after The Hills alum and husband Dom Natalie revealed they'd added daughter Nelle to the fam in January 2026, the Love Wellness CEO announced the launch of her new podcast, Tell Me I'm a Good Mom. 

Meet Saoirse Ronan's little one: She and husband Jack Lowden debuted their new baby during a September 2025 stroll through London. 

Introducing the princess of Staten Island. "Our perfect angel girl arrived 12/12/2025," actress Elsie Hewitt shared of her and Pete Davidson's daughter Scottie. "My best work yet, i am absolutely overflowing with love and gratitude and disbelief."

One kid...and counting? Since 19 Kids & Counting alum Jana Duggar and husband Stephen Wissman welcomed son Archie in December 2025 "our hearts have been completely changed," she wrote on Instagram. "We’re soaking in these early days, full of love, wonder, and so much gratitude."

Kat Graham has been sinking her teeth into parenting since March 2026. Revealing she and husband Bryant Wood had named their son after a character from William Shakespeare's play The Tempest, the Vampire Diaries alum wrote on Instagram, "Welcome to the world Prospero 'Spero' Nyemah Wood."