Once upon a time,Karlie Kloss and Taylor Swift’s friendshipwas the stuff of envy.

At the time,Kloss didn’t quite realize that it would derail her friendship with Swift.

Taylor has always had my back and I will always have hers."

Taylor Swift and Karlie Kloss posing for photos

“Maybe they’ll just be your comrades for an important phase, but not forever.

It’s sad but sometimes when you grow, you outgrow relationships,” the Grammy winner reasoned.

Taylor Swift and Karlie Kloss watching a game

Taylor Swift and Karlie Kloss at the Victoria’s Secret fashion show