Shock jock Kyle Sandilands might rule the airwaves in Sydney as the co-host of the Kyle and Jackie O Show on KIIS FM.
And on Friday, it was his younger brother Chris' time to step into the limelight, with Chris making an appearance on Kyle's radio show.
Chris is a tattooed and buff tradie who surprised Kyle in the studio for his 47th birthday.
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He's tattooed, buff and is a tradie with a clothing label: Meet Kyle Sandilands' hunky younger brother Chris (R)... who almost died in a horrific motorbike accident last year
Chris surprised Kyle with a special present on Friday - a self-penned rap.
Shocked by the tribute, Kyle appeared touched by the personal lyrics.
'I rewrote a few lyrics of a song,' Chris proudly revealed while on air with duo.
Just like his brother: Chris exhibits the same gregarious personality as the KIIS FM star
Birthday surprise: Chris surprised Kyle with a special present on Friday - a self-penned rap
'Who's singing it,' Kyle asked.
'You're not a singer.'
In the personal lyrics, the handsome sibling made reference to Kyle's tough upbringing, including getting thrown out of his parents house at 17.
The rap also touched on Kyle's exceeding wealth - with the personality reportedly earning $3 million a year - and referred to 'ten flash cars, a butler and a f**kin chauffeur.'
It was a rare glimpse of Chris, who used to share a home with Kyle and his girlfriend, Imogen Anthony.
Three's a crowd! Chris used to share a home with Kyle and his girlfriend, Imogen Anthony
Chris and Kyle grew up together in the Brisbane suburb of Wynnum.
While Kyle hit the big time as the host of 2Day FM's Hit 30 Countdown before ultimately moving on to KIIS FM with longtime co-host Jackie O, Chris worked for his brother as his chauffeur.
A keen motocross enthusiast, Chris eventually founded his own clothing label, Wide Open Industries.
Although Wide Open