Shawn Mendes flaunts his stellar biceps in a black racer back tank after filming in LA

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

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