Jordin Sparks announced in November that she and Dana Isaiah (L.) secretly married in July and are also expecting a baby boy.

Seth Meyers and wife Alexi Ashe Meyers are expecting their second child. The "Late Night" host announced on his show in November that he and his wife are having another boy. 

Chrissy Teigen and John Legend are expecting a second child, and they announced the news in an adorable way on Nov. 21. 

In an Instagram video posted on Tuesday, Teigen taps her belly and asks her daughter, "Luna, what's in here?" Luna responds, "Baby."

Miranda Kerr is expecting a child with her husband, Snapchat CEO Evan Spiegel, she announced through a spokesperson on Nov. 15. 

This will be Spiegel and Kerr's first child together. Kerr is already mom to a 6-year-old son, Flynn, whom she shares with her ex-husband, Orlando Bloom. Kerr and Spiegel married in May. 

Kim Kardashian West confirmed that she and Kanye West are expecting a third child via surrogate. On Nov. 15, she told Ellen DeGeneres that she and her husband are having a baby girl. 

Ne-Yo and his wife, Crystal Smith, have another bundle of joy on the way.

The 38-year-old singer shared the exciting news via Instagram on Oct. 25 with a sweet pic of his three kids and a question mark in the fourth slot.

"Sooooooo.....guess who's awaiting a NEW ARRIVAL!?! @itscrystalsmith and yours truly are happy to announce we are expecting! #NewAddition #ExtendingTheFamily," he wrote.

Adam Levine and Behati Prinsloo are expecting their second child. Prinsloo posted a selfie of her baby bump on Instagram and wrote, "ROUND 2" on Sept. 13. Their first child, daughter Dusty, was born in September 2016. 

Robin Thicke's girlfriend April Love Geary announced on Instagram in August that they are expecting their first child together. ET later learned that the couple's baby is a girl. Thick has a son with his ex-wife Paula Patton.

Jessica Alba and Cash Warren announced in July that they are expecting their third child. 

"[Cash Warren] and I are officially going to be outnumbered #babyonboard #herewegoagain #blessed," Alba wrote alongside a photo of her and the couple's adorable daughters -- Honor, 9, and Haven, 5 -- holding up balloons in the shapes of the numbers one, two and three.