Los Angeles, Nov. 17 -- The man who grabbed Ariana Grande on 'Wicked' red carpet in Singapore has been jailed.

On Monday, Johnson Wen reportedly pleaded guilty to one charge of being a public nuisance and was sentenced to nine days in jail, Page Six reported, citing information from Daily Mail.

Singapore District Judge Christopher Goh told Wen, who has crashed other celebrity events, that his "act was premeditated" and "showed a pattern of behavior, which suggests that you will do it again."

"You seem to be attention seeking, thinking only of yourself and not the safety of others when committing these acts," Goh told the 26-year-old social media star.

The judge then told Wen that he was "wrong" to think his actions wouldn't have any c...