Add Yahoo as a preferred source to see more of our stories on Google. They say working out is more fun with a friend. But imagine if instead of one friend it was seven, and all of them just happened ...

At this point, I don't even need to listen to BTS's new singles before adding them to my workout playlist. Like last year's "Dynamite," BTS's newest track, "Butter," is inescapably catchy, summer-y, ...