Editor’s Note: Delving into the archives of pop culture history, “Remember When?” is a new series offering a nostalgic look at the celebrity outfits that defined their eras. You know the one ...

In fact, Hilton still loves wearing comfy tracksuits and she’s not alone, Mel B was spotted wearing a Juicy Couture tracksuit last year. But Juicy Couture didn’t start with athleisure wear.