That's because one Swiftie just used Tay Tay's music to help him lose a staggering 425 pounds!
Ronnie Brower started his weight loss journey as a 675-pound man back in 2013, but after giving up drugs and alcohol and picking up a Taylor Swift workout playlist, he's now down to an impressive 250 pounds in just over a year and a half!
As you can see, Tay Tay is sporting a sparkly golden headdress in a couple of photo booth shots with other stars at the party, so it's safe to assume who that sparkly person hiding in the right corner next to Ed is!
Now, she's remembering what she thought when he first told her:
"I can imagine the shock many of you are going through reading this. I remember feeling that same shock. When my family and I first visited the Duggar home, Josh shared his past teenage mistakes. I was surprised at his openness and humility and at the same time didn't know why he was sharing it. For Josh, he wanted not just me but my parents to know who he really was – even very difficult past mistakes."
The 26-year-old explains that Josh had been in counseling as a result of his actions, and that she feels it has helped him change who he is: