Stay in Model Summer Shape

Gisele Bundchen and Heidi Klum prove that just because you're getting sweaty doesn't mean you have to sacrifice style!

As part of her summer workout regime, Heidi Klum is putting everyone to the test - with a running competition. Every morning, Heidi hits the pavement dressed in her New Balance gear! Follow her 6 week adventure!

We clearly adore Gisele Bundchen's outfit, but we really love her water source - the reusable Sigg bottle that she designed!

Agyness Deyn matched charitable efforts with a healthy lifestyle and supported for Oxfam by running the Virgin London Maranthon - in neon no less!

Alessandra Ambrosio shows her love for the 80s with leg warmers during her Pilates class!

Forgo all black. Miranda Kerr adds vibrance to her workout with a bright purple tank and eschews the usual black pants in favor of a deep brown hue!

Selita Ebanks shows off her tricep dips - and Under Armour appreciation - in an Under Armour Shatter Capri, Under Armour Micro G Split Shoe, and Under Armour TG Playoff Loose tank.