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 enjoys a breakfast date with boyfriend Jae Woodroffe and daughter Arna

Kayla Itsines and boyfriend Jae Woodroffe hit the beach in Adelaide

Kayla Itsines foots the bill after having lunch with boyfriend Jae Woodroffe in Bondi

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Kayla Itsines and boyfriend Jae Woodroffe hit the beach in

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Kayla Itsines and boyfriend Jae Woodroffe hit the beach in

Kayla Itsines and boyfriend Jae Woodroffe hit the beach in Adelaide

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