'EXCLUSIVE: Why Jessica Alba and Allison Williams Swear by Trainer Kayla Itsines\' 28-Minute Workout'

$'EXCLUSIVE: Why Jessica Alba and Allison Williams Swear by Trainer Kayla Itsines\' 28-Minute Workout'$

01:47 Dec 24, 2021 1 0

'ET found out how Instagram\'s most famous trainer is inspiring people to get fit with her 28-minute bikini body workout.'