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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If you do Kayla Itsines' workouts at home alone, there's a

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

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