Australian national Johnson Wen appeared before a Singapore court on Friday following his arrest for disrupting the Asian premiere of Wicked: For Good at Universal Studios.
The 26-year-old faces prosecution for public nuisance after breaching security barriers to approach film star Ariana Grande during Thursday evening's promotional event.
Court records indicate Wen chose to represent himself during proceedings and expressed his intention to enter a guilty plea. His next court appearance is scheduled for Monday.
Singapore authorities confirmed the charges carry potential penalties of up to S$2,000 in fines, a three-month custodial sentence, or a combination of both sanctions.
Cynthia Erivo jumped in when Ariana Grande was ambushed at the premiere
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The incident occurred during the sole Asian stop on the film's international promotional tour, with the sequel scheduled for release on November 21.
Footage captured the moment Wen charged at and then wrapped his arms around a visibly startled Ms Grande whilst she walked the yellow carpet.
The performer's co-star Cynthia Erivo immediately intervened, positioning herself between the intruder and Ms Grande whilst forcefully pushing him back.
Security personnel then seized Wen and removed him from the restricted area, placing him back behind the barriers.
Cynthia Erivo placed herself between Ariana Grande and the crazed fan
|INSTAGRAM - PYJAMA MAN
Video recordings show Ms Erivo and fellow cast members consoling Ms Grande following the confrontation.
The 38-year-old British actress, who portrays Elphaba in the musical adaptation, maintained a protective stance until officials secured the situation.
Multiple camera angles documented the incident, which rapidly spread across social media platforms.
Despite the disruption, the premiere continued as planned with Ms Grande, Ms Erivo, Michelle Yeoh and other cast members in attendance.
Wen, who identifies himself as a "troll" on social media, operates under the moniker Pyjama Man and has documented numerous celebrity confrontations on his Instagram account.
His previous targets include performers Katy Perry, The Weeknd and The Chainsmokers, with videos showing him rushing their concert stages before security removal.
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Following Thursday's incident, Wen posted footage to his Instagram with the caption: "Dear Ariana Grande Thank You for letting me Jump on the Yellow Carpet with You."
He subsequently shared an update stating he was "free after being arrested."
Social media clips reveal Wen had declared meeting Grande was his "dream" prior to the premiere.
His online presence showcases a pattern of deliberately infiltrating high-profile entertainment events to create viral content.
Ariana Grande and Cynthia Erivo at the Singapore Wicked: For Good premiere
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The incident sparked widespread condemnation across social media platforms, with users expressing concern for Grande's wellbeing given her previous experiences with public safety threats.
The official Wicked Musical Brazil account posted: "Do you think this is okay? This is sick! It ruined the experience for fans who dreamed of this moment and put lives at risk. All for pure ego! Seek help."
Multiple users highlighted Grande's post-traumatic stress disorder following the 2017 Manchester Arena bombing, which claimed 22 lives and injured over 1,000 people during her concert.
Social media users questioned Instagram's policies, with one writing: "@instagram why is this person allowed to continually post videos of himself assaulting/harassing people? It's distressing and disgusting and unlawful." (sic)