It's official: America's most famous couple are tying the knot.

Stadium-filling pop megastar Taylor Swift and three-time NFL Super Bowl winner Travis Kelce announced their engagement on Instagram Tuesday.

Here are five things to know about their love story:

- Taylor's Version -

Swift's journey to becoming the world's biggest pop star has contained twists and turns -- and not just the romantic missteps that fueled her hit songs until she met Kelce.

A teenage country music sensation, she won her first Grammy at just 20 years old, before pivoting to pop.

Wild success and scrutiny followed. Swift endured a high-profile feud with Kanye West, and re-recorded her early song catalog to reclaim ownership from a private equity firm.

High-profile romances with Hollywood actors and pop stars ca

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