Kaia Gerber bares her flat midriff in a crop top and sweatpants for a casual grocery run in Malibu

Famke Janssen, 57, showcases her toned arms and legs in a lace crop top and miniskirt

Carol Vorderman flaunts her incredible abs in a clinging crop top at fitness retreat in Portugal

Kaia Gerber dresses down for Malibu grocery run... after glamming up for new Celine commercial