Hailey Bieber sports heather grey leggings and oversized sweatshirt for a Pilates class in Los Angeles

Jennifer Lopez looks good in a grey sweatshirt and leggings as she hits the gym in Los Angeles-300124_10

Celebrities Wearing Leggings and Crop Tops: See Photos – Hollywood Life

How to Wear Leggings When You're Not in Your 20s, WhoWhatWear.com

zoey deutch attends a special screening of 'the outfit' at ace

jasmine sanders attends the bvlgari x b.zero1 party in new york

Alessandra Ambrosio sports a white sweatshirt and leggings as she

Hailey Bieber braves the rain in a black trench coat while out for

Ashley Benson looks stylish in semi-sheer top with black trench

Kaia Gerber cuts a trim figure in a sweatshirt and leggings as she heads to her daily Pilates class

hailey bieber sports heather grey leggings and oversized