Will Travis Kelce and Taylor Swift get a prenup? (Julio Cortez/AP)When a pop icon and an NFL superstar fall in love, the world doesn't just cheer on the fairy tale - they wonder what's going to be written in the fine print. Now that Travis Kelce has officially popped the question to Taylor Swift, speculation is already swirling about what a prenuptial agreement might look like for the famous couple.Swift is in a financial league of her own. The self-made mogul has built an estimated $1.