Scout Willis flaunts her taut midriff in red crop top with cowboy boots as she makes pit stop in LA

Christine McGuinness showcases her toned midriff in a pastel blue crop-top and skintight leggings

Madelaine Petsch cuts a chic summer look in white knit onesie as she grabs coffee with friend in LA

Hilary Duff goes SoCal chic in flannel and Daisy Dukes for lunch with husband Matthew Koma in LA