And she was totes successful!
The I Knew You Were Trouble singer wore a beautiful, navy blue Elie Saab dress with a sheer neckline and slightly flared skirt.
With her hair pulled back into a simple ponytail, Taylor paired her frock with dark red Miu Miu platforms and dainty Red C jewelry.
She makes it look so easy!
[Image via Royce DeGrie/TAS/Getty Images.]