(CNN) — An Australian serial intruder who accosted Ariana Grande during a Wicked premiere in Singapore was sentenced to 9 days in jail Monday for being a public nuisance.

Johnson Wen, 26, pleaded guilty to one charge of causing annoyance to the public after he jumped over the barricade at a premiere for “Wicked: For Good” on November 13 and rushed toward Grande, according to Singaporean news channel CNA.

Video of the interaction showed Wen running up to Grande and throwing his arms around her as she walked the yellow carpet with the Wicked cast at Universal Studios Singapore.

Grande’s co-star Cynthia Erivo stepped in to push Wen away from the pop star, who appeared shocked, before security guards tackled him.

CNN has reached out to Grande’s representatives for comment.

Wen, who goe

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