Tim Dormer and Christian Wilkins attend Halsey concert

They're both famous for their luscious heads of hair.

And on Wednesday Big Brother's Tim Dormer and Christian had a hair showdown of sorts, both attending iHeartRadio LIVE with Halsey at Sydney's Red Rattler Theatre.

The two socialites posed for photos on the red carpet alongside The Bachelorette's Courtney Dober and former Survivor contestant Odette Blacklock. 

Spreading the love! Big Brother's Tim Dormer soaks up the sounds at iHeartRadio LIVE with Halsey

Spreading the love! Big Brother's Tim Dormer soaks up the sounds at iHeartRadio LIVE with Halsey

Wearing his trademark curly locks out, Tim made a statement in a gold sequinned jacket.

He paired the jacket with a black T-shirt and skinny jeans, accessorising with a beaded necklace. 

While his boyfriend Ash Toweel also attended, the two did not pose together on the red carpet.  

Golden boy: Wearing his trademark curly locks out, Tim made a statement in a gold sequinned jacket

Golden boy: Wearing his trademark curly locks out, Tim made a statement in a gold sequinned jacket

Stylish: Christian Wilkins (left) looked every bit the model fresh off his catwalk debut in May, wearing a fashion-forward distressed sweater

Stylish: Christian Wilkins (left) looked every bit the model fresh off his catwalk debut in May, wearing a -forward distressed sweater

Tug of war: Christian and another concertgoer fought playfully over a heart prop 

Tug of war: Christian and another concertgoer fought playfully over a heart prop 

Christian Wilkins looked every bit the model fresh off his catwalk debut in May, wearing a -forward distressed

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