I've lived in black leggings for most of my life. The humble legging has a reputation for being basic, but I think they're ...

So does this viral "leggings theory" actually hold up in real life? To find out, I decided to put three pairs of my favorite butt-lifting gym leggings to the test. You know . . . for science.

That's a task I thought would prove to be difficult given my modest fashion preferences. However, I was pleasantly surprised ...