Heidi Klum Helene Henry gray dress sunglasses park picnic Heidi Klum Helene Henry gray dress sunglasses park picnic Heidi Klum's youngest, Lou, is not even a year old but already the little (or should we say big?) tyke is getting ready to take her first steps.

Supermodel and supermom Heidi Klum took her kids to the park on Sunday, where they enjoyed a picnic on the grass.

This busy mother-of-four is enjoying some down-time after shooting the finale of Project Runway with Jessica Simpson earlier this month.

Of course, with four kids, her work is never really done, and Heidi makes it look so effortless!