Trainer Kayla Itsines Shares a Week's Worth of At-Home Routines

Australian trainer Kayla Itsines' offers up a week full of workouts that are short, but definitely not sweet. There's a reason why Katherine Heigl credits her with helping her get in shape post-baby.

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Fitness Phenomenon Kayla Itsines: Her Journey, Workouts, and the

Is the Sweat App Worth It?

Fitness guru Kayla Itsines shares at-home HIIT workout that takes

Kayla Itsines Instagram Workouts

Kayla Itsines's powerhouse workout routine tones your entire body

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What Is Kayla Itsines' High Intensity with Kayla Workout?

Fitness guru Kayla Itsines hits back at trolls who say she's