Brad Pitt and Angelina Jolie have one. And so do Robert Pattinson and Kristen Stewart.
We're talking about celebrity couple nicknames like Brangelina and Robsten. So as they prepare to land in Hollywood, isn't it time we crown Prince William and Kate Middleton with one, too?
That's where you come in! Take our poll to help pick the duke and duchess's new mashed up moniker.
Have your own suggestion? Feel free to nickname away in the comments.