Delilah Belle Hamlin bares her abs in sporty blue crop top and track pants

Amelia Hamlin wears a crop top under an oversized jacket to grab coffee in Los Angeles

Lili Reinhart flashes her toned abs in crop top with Katharine McPhee and Alessandra Ambrosio

Britney Spears shows off her toned midriff as she shares another clip dancing in crop top and shorts