Blast Through This 15-Minute HIIT Workout With Actor Liza Koshy and Her BFF Trainer

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Join celebrity trainer and wellness coach Jenna Willis as she takes you through an amazing 15-minute HIIT workout with her real-life BFF, actress and producer Liza Koshy. These two will keep you on your toes (sometimes literally) as they demonstrate variations on squat pulses, curtsy lunges, push-ups, and Koshy's favorite: Pilates abs. This workout is only 15 minutes, but you're going to get an amazing HIIT workout with a bonus ab section to really burn out that core! All you need is a mat.

Don't miss new episodes of Class Fitsugar, now every Sunday on the POPSUGAR Fitness YouTube channel.

Willis's outfit: Old Navy // Shoes: APL

Koshy's outfit: Clique // Shoes: APL