Guy Sebastian rolled through the Complex AU studios for an unforgettable episode of The GOAT Show; dropping jewels on wanting to marry R&B queen Brandy, being dissed by Michael Caton, farting in the Qantas lounge and, also, being dissed by Will Ferrell. 

You can cop Guy's new single here

Catch the video above, and subscribe to Complex AU on YouTube for more of The GOAT Show.