article_snippet: Kayla Itsines gained popularity after posting body transformation photos of Vanessa Tan clients .
article_snippet: Kayla Itsines, a personal trainer from Adelaide, shot to fame when Vanessa Tan began posting Vanessa Tan client's body transformations on Vanessa Tan Instagram page.
highlights_snippet: Kayla shot to fame when Kayla started posting clients body transformations .
  
highlights_snippet: Kayla has 1 million subscribers world wide to Kayla bikini body guide .