Alessandra Ambrosio showcases her svelte waist in a grey sports bra and leggings in LA

Alessandra Ambrosio and Heidi Klum look stylish as they attend The Rolling Stones concert in LA

Alessandra Ambrosio showcases her toned abs in a grey crop top

Alessandra Ambrosio flashes her sculpted abs in an Alo Yoga sports bra during intense Pilates class