Gallery: 10 Times Celebs Made Streetwear Pieces Look So High-Fashion

To whichever designer decided that this is the year of the slouchy sweatsuit and silk pajamas as 'anytime' wear, our bodies and comfort levels salute you. The trend has caught on wildly, and these celebs, some of whom have been doing these looks incredibly forever (J. Lo), are our guiding light to streetwear looks that can take you from the gym to the club (well, hopefully, with a stop at the shower first.) Let's take a look at 10 of their chic streetwear looks!