It’s been a big week for Taylor Swift , who made up with Kanye West , released a new music video , and landed a Vogue cover with her BFF, Karlie Kloss. To accompany their lovey-dovey spread, the singer and model competed against each other in a video for the magazine called “Who’s the Best Best Friend?” They were put through a series of tests including talking at the same time, staring into each others’ eyes, and arm wrestling.