The 29-year-old is accused of sexually assaulting a woman in her 20s in a hotel room following a performance in the city’s northern suburbs in September.
The entertainer has also denied impeding the woman’s normal breathing or circulation by applying pressure to her neck.
He is now facing two additional counts of sexual penetration without consent, although no plea has been entered.
The additional charges were briefly mentioned in court but not explained and his lawyer declined to discuss the change outside court.
The London rapper, who has 1.8 million YouTube subscribers and millions of Instagram and TikTok followers, will face a 10-day trial on July 20, 2026.
He was arrested in Brisbane and extradited to Perth in October.
Barrientos’s Wikipedia page says he was born in Colombia.
He started his YouTube career in 2013 and music career in 2017.
He has also appeared on numerous television shows, including BBC’s Hot Property, which he hosted in 2018.
Wearing headphones, he declined comment as he left court on Friday after his bail was extended.