Look At Keith Urban’s Birthday Cake From His Wife + What She Calls Him

They have quite the pet names for each other.

Nicole Kidman helped Keith Urban celebrate his 49th birthday this week and to surprise him, Nicole whipped him up a chocolate cake that said "Happy Birthday Big Cat Daddy".

The two, who just celebrated their 10th wedding anniversary and Keith shared the first picture the two of them every took together.

Happy Birthday, Keith Urban! What do ya say, Big Cat Daddy?