The days of fancy fitness classes may officially be behind us. Millions of women around the world, celebrities included, have turned to Kayla Itsines’ Bikini Body Guide, or BBG for short, to completely transform their bodies in their own living rooms, and countless success stories make the program sound like a no-brainer. The latest to hop on the Aussie-led bandwagon: none other than Katherine Heigl, and her results are stellar enough to get you to give it a try, too.
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