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Kayla Itsines 12-Week Workout Review: . (BBG) 1.0 and 2.0. Each one is $69.97 and you get an automatic PDF download once you purchase it.This isnt a bikini body guide Kayla itsines bbg 2.0 guide pdf Yukon Never heard of her. What is this? Kayla Itsines is a trainer in Australia who has created two online 12-week workouts called the Beach Body Guide (BBG) 1.0 and 2.0.