Fitness star Kayla Itsines, who has more than 12 million faithful followers on Instagram, shares this exclusive workout video with Yahoo Life. Video provided by Kayla Itsines. KAYLA ITSINES: Hi, guys.

If you spend any time at all on the wellness side of Instagram, you’re definitely familiar with Kayla Itsines. The renowned personal trainer has amassed over 15 million followers for her accessible ...

Every new year comes with big intentions — and the quiet fear that I'll end up doing exactly what I did last year. This time, I wanted something different; a shift I could actually feel.