Happy wife, happy life!

Justin Timberlake proved he's the sweetest husband ever to his pregnant wife, Jessica Biel, by taking over in the kitchen on Christmas.

READ MORE: Jessica Biel & Justin Timberlake Are Going to Be the Hottest Parents Ever

"Just so y'all know who was doing the baking today…" he captioned the pic. "Yeah, buddy! Your boy got it in! Merry Christmas and stuff…"

justin timberlake baking

"Merry Christmas!!!" he also said on Twitter. "Wishing everyone a happy holiday with the ones you love. I will now eat until I pass out…"

We have to admit — we kind of love seeing JT wearing an apron while using a pink mixer! Too cute. Jessica's a lucky lady.