A boy born with a rare ‘two face’ condition has defied all odds to celebrate his 13th birthday.

A boy born with a rare ‘two face’ condition has defied all odds to celebrate his 13th birthday.

Tres Johnson from Bernie in Missouri, US, marked the milestone – despite doctors giving him ‘zero chance of survival’ when he was born.

He has craniofacial duplication, whereby parts or all of the face are duplicated on the head. 

Tres is believed to be the only survivor of the disorder – there are only 36 cases in the world ever been recorded. 

Parents Brandy and Joshua have battled to help their son while doctors are amazed he is alive as many with the condition are stillborn.

Brandy, 35, his full-time carer, said: ‘We don’t know what will happen in Tres’ future, no one thought he would be here today.

‘It was very exciting celebrating his birthday and emotional, but very surreal waiting for the big day, I was an

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