Blue or pink? Vanessa Lachey shared a supersweet video on Thanksgiving showing the moment she revealed the sex of baby No. 3 to her hubby, Nick Lachey, and she simultaneously let her fans know too.

The couple — who already have a 21-month-old daughter, Brooklyn, and a son, Camden, 4 — are expecting their third child in the spring, and now we know: It’s a boy!

The heartwarming video shows the 98 Degrees singer, 43, approaching the house with a smile on his face, saying to Vanessa, 36: “I knew, you knew.”

The camera then pans around as he greets his son, who is holding a big blue balloon. Nick can’t stop smiling as he then kisses his little girl and wife too.

Vanessa had decorated the house with "It's a Boy" balloons.

“I have so much to be Thankful for this year... especially our littlest Lachey,” she captioned the video. “When Daddy came home from tour this Summer and we were moving into our new house I shared the news!👶🏼💙 Now I'm sharing it with you! I am so very Thankful and Grateful for this family of mine! And Thankful for YOU! All your Love & support makes what we do FUN and worth it! Happy Thanksgiving Everyone! Love, V 😘”

Nick also shared the video and wrote “Best surprise ever!” next to it.

He revealed their baby news in September with a cute Instagram post.

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