What do you get a guy who has everything? If you're Cardi B and your husband is Offset, you gift him a refrigerator filled with cash.

The Migos star celebrated his 28th birthday Saturday. His fellow rapper wife decided to give him something practical.

"You got every card, you got every jewelry ... you got everything!" Cardi says in Dec. 14 Instagram footage. "What else can I give somebody that got everything? A fridge!"

Or so he thought.

A member of the couple's entourage opened the built-in fridge revealing that the Vogue cover girl stocked it with cash.

As Offset beamed from ear to ear, Cardi, who said she didn’t know what else to give him, told her husband, “That’s $500,000.”

But with a ton of cash comes a big caveat.

“Don’t expect no Christmas gift from me,” she added. “Only for the kids!”

Those kids include three children Offset has from past relationships. It also includes their daughter, Kulture.

The 17-month-old recently accompanied her mom on the cover of U.S. Vogue. With the spread, Cardi made history as the first female rapper to grace the magazine’s cover.