Khloé Kardashian Good American Event

It may have been a classic, drizzly Seattle morning, but you wouldn't have even noticed with the palpable high energy among the group of 30 women gathered together in anticipation of the workout to come. After all, it's not every day that you get to work out on the rooftop of the Nordstrom flagship store with a panoramic downtown view — or with Khloé Kardashian, for that matter.

To celebrate the launch of Good American's new activewear line, available in select Nordstrom stores and online, Nordstrom hosted Khloé, the brand's cofounder Emma Grede, and members of the Good Squad for a fitness class with celebrity trainer Gunnar Peterson, and I had the opportunity to join in. And when you're in the presence of the fitness queen herself, well, you take notes. Keep reading to find out what I learned about working out like Khloé.