The pair of singers have been close friends since the dawn of time, and whenever they can, they praise each other for the world to see.
It's really beautiful to see, and it's what Taylor Swift is all about - lifting up other women.
Most recently, Selena was asked about their friendship on Instagram, where she confirmed that they're closer than ever.
As E! News reports, Selena went Live on Instagram on Saturday, when she revealed, "Taylor is awesome. I love her. She's amazing. I just talked to her today. She is literally like my big sister, I tell her everything. She is so smart, it freaks me out."
Now that's friendship goals.