LLEYTON'S WARNING TO MIA'S BOYFRIEND!

His eldest daughter is living a rock'n'roll lifestyle – and her dad's worried she's being led astray!

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When it comes to his eldest daughter Mia's blossoming music career, Aussie tennis legend Lleyton Hewitt is her biggest fan. But it seems the same can't be said about her choice of boyfriend. Mia has been dating lead singer of Sydney-based band Liquid Zoo, Vanda Erich, since last year and is believed to be growing frustrated waiting for her dad to give them his tick of approval.

It turns out the 19-year-old, who is also one-half of indie rock band Father's Favourite, may have to wait a little longer.

TOUGH DAD ACT

"Lleyton is just like any dad out there and is super protective, especially of his girls. He is very much serving up the tough dad act right now," a source reveals.