Kayla Itsines and boyfriend Jae Woodroffe hit the beach in Adelaide

Joined by her two-year-old daughter, the Adelaide businesswoman looked fit as a fiddle as she strolled down the sand in a black G-string bikini

Kayla Itsines and boyfriend Jae Woodroffe hit the beach in Adelaide

Kayla Itsines and boyfriend Jae Woodroffe stroll with her sister

Kayla Itsines, boyfriend Jae Woodroffe take her daughter Arna for a stroll in Adelaide

Kayla & Leah Itsines #13 Mitchines wants USA, Teef has a tiny peen, K is absent as ever, BARE isn't lean, Page 13

Aussie fitness icon Kayla Itsines opens up on pregnancy & motherhood

Kayla Itsines enjoys a breakfast date with boyfriend Jae Woodroffe and daughter Arna

Kayla Itsines does the Bondi to Bronte walk with boyfriend Jae Woodroffe

Kayla Itsines and boyfriend Jae Woodroffe hit the beach in Adelaide

Kayla Itsines and boyfriend Jae Woodroffe stroll with her sister

Kayla Itsines: Sweat co-founder reveals new love Jae Woodroffe

Kayla Itsines and her ex-fiancé Tobi Pearce shock by joining forces and making a major business move together