Kaia Gerber looks trim and toned in a sweater and leggings on her way to a Pilates workout

Kaia Gerber looks effortlessly cool in a black dress on a grocery run with Jacob Elordi in LA

Kaia Gerber, 19, fronts Calvin Klein x Heron Preston underwear campaign 'for real people'

Kaia Gerber looks chic in all black as she attends a private pilates class in West Hollywood