The full charges include four counts of sexual penetration without consent, three counts of assault occasioning bodily harm and one count of impeding a person’s normal breathing or circulation by applying pressure on or to their neck.
It is alleged he brought a woman in her 20s back to his hotel room when he was performing in Perth last week at the nightclub Bar120.
The attack is alleged to have taken place on Saturday, September 28.
He was represented in Perth Magistrates court by barrister Seamus Rafferty SC, who applied for bail on Barrientos’ behalf.
The 29-year-old, who was in Australia touring his music, has also appeared in the UK on Soccer Aid on ITV and The Great Celebrity Bake Off for Stand Up 2 Cancer on Channel 4.
