Authorities have charged the man who rushed at Ariana Grande while she walked the yellow brick road carpet at the Singapore premiere of her new movie Wicked: For Good on Thursday. On Friday, the Australian man, named Johnson Wen, was charged with being a public nuisance by a Singapore court.Wen, 26, pleaded guilty to the charge on Monday and was sentenced to nine days in jail.Wen told the court that he arrived in Singapore on Nov. 11 on a 90-day social visit pass to attend the premiere and for a holiday, the Straits Times reports.