Meghan Markle, Ashley Tisdale, Emily Ratajkowski & More: See The Celebs Who Welcomed Babies In 2021

There were stars like Emily Ratajkowski and Christine Quinn — who took fans along with them on their pregnancy journey and looked as glamorous as ever in maternity wear — and those like Olivia Munn, who tried to keep her bun in the oven under the radar. And then there were those like the Baldwins, who shocked fans with a surprise sixth addition to their family.

PREGNANT IN A PANDEMIC! CHECK OUT THE CUTEST QUARNATINE BABY BUMPS

Months after John Mulaney and the New Girl alum were first linked in May, the former SNL writer proudly revealed the new couple was expecting their first child together. While keeping their romance and baby-on-the-way low-key, OK! learned earlier this month that the duo secretly welcomed a baby boy on November 24 in Los Angeles.

Meghan Markle and Prince Harry welcomed their second child, Lilibet Diana, in June. The Duke and Duchess of Sussex — who also share 2-year-old son Archie — named their daughter after Harry's mother, Princess Diana, and his grandmother, Queen Elizabeth II, whose family nickname is Lilibet.

Christina Ricci gave birth to her second child in December. The Addams Family actress shares her baby girl with her new husband, Mark Hampton, and her 7-year-old son, Freddie, with ex James Heerdegen.

Emma Stone and her husband, Dave McCary, welcomed their daughter, Louise Jean McCary, in March, after they quietly got hitched in 2020.

Ashely Tisdale and her husband, Christopher French, welcomed their first child, daughter Jupiter Iris French, in March.

Alec and Hilaria Baldwin welcomed their sixth child together, daughter Lucia, via surrogate, only months after Hilaria gave birth to their son Eduardo.

Aaron Carter and Melanie Martin welcomed their first child in November. The couple parted ways only days later, but seem to have since patched things up.

Usher and baby mama Jenn Goiceochea welcomed their second baby, a boy named Sire Castrello Raymond, in October. They are also parents to daughter Sovereign Bo Raymond.

Another royal baby! Princess Beatrice had her first child with husband Edoardo Mapelli Mozzi in October: A baby girl named Sienna Elizabeth Mapelli Mozzi. Meanwhile, her sister, Princess Eugenie, and her husband, Jack Brooksbank, also welcomed their son, August Philip Hawke Brooksbank, months earlier in February.

A third Little Mix baby! Pinnock’s Little Mix bandmate Perrie Edwards welcomed her first child in August with boyfriend Alex Oxlade-Chamberlain.

Scarlett Johansson and her husband, Colin Jost, welcomed their first child, Cosmo, in August. The Black Widow actress is also a mom to daughter Rose Dorothy Dauriac, whom she shares with Romain Dauriac.

Halsey welcomed their first child, Ender Ridley Aydin, in July with baby daddy Alev Aydin.

Christine Quinn and her husband, Christian Richard, welcomed their first child, Christian Georges Dumontet, in May after an emergency C-section.

Jason Derulo and Jena Frumes’ first child, Jason King Derulo, was born in May. The former couple announced in September that they had called it quits.

Bindi Irwin and husband Chandler Powell became first-time parents in May. The 22-year old honored her late father, Steve Irwin, when she named her daughter Grace Warrior Powell.

Ratajkowski and her husband, Sebastian Bear-McClard, welcomed their first child, Sylvester, in March, and who could forget when social media erupted in June after the model was accused by fans of holding her son like an "accessory" in a viral Instagram post.