Dude, which one is she?! Ashton Kutcher took to his Facebook to reveal the name of his newborn daughter with fiancée Mila Kunis -- plus, the biggest baby photo tease ever.

The Dude, Where's My Car? actor shared with fans that their baby girl, who was born on Tuesday, Sept. 30, is named Wyatt Isabelle Kutcher, but you'll have to play a guessing game to decipher which photo is truly Wyatt!

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"Here's your baby photo. Well, one of them is. Now can the helicopter please stop hovering over our house, there is a baby sleeping inside! And she's super cute," the Two and a Half Men actor wrote on his Facebook on Oct. 2, along with a link to his website which features not only multiple baby pictures, but pictures of animals like goats.

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"Mila and I would like to welcome Wyatt Isabelle Kutcher to the world," the sneaky 36-year-old added. "May your life be filled with wonder, love, laughter, health, happiness, curiosity, and privacy. Can you guess which one is ours, or does it really matter? All babies are cute."

PHOTOS: Mila's pregnancy style 

Cleverness aside, the new dad and mom couldn't be more excited to be parents. A source previously told Us Weekly the couple "are so happy" with their "healthy baby girl."

This article originally appeared on Usmagazine.com: Ashton Kutcher Teases Photo of Baby Girl, Reveals Her Name Is Wyatt Isabelle Kutcher!