Will Arnett Had The Best Reaction To Finding Out He Was Not The Father Of Megan Fox's Baby

#notthefather

In case you haven't heard, actor Megan Fox is pregnant.

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She showed up to CinemaCon with a very obvious baby bump.

It caused quite the hoopla because Megan filed for divorce from hubby Brian Austin Green last summer.

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The couple are parents to sons Noah and Bodhi.

So people started wondering who the father was.

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Was it Transformers co-star Shia LaBeouf? Teenage Mutant Ninja Turtles co-star Will Arnett? New Girl co-star Jake Johnson?

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Nope! Megan has decided to shut down the rumors in a pretty hilarious way by 'gramming a photo collage of Shia, Will, and Jake with the caption "#notthefather."

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And since Will is never one to shy away from a joke, he had a hilarious reaction to it all:

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People is reporting that "of course" Brian Austin Green is the dad and the two are living together again.

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Congrats!!!

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