Ariana Grande was left stunned at the Wicked premiere in Singapore when a man suddenly ran up to her on the red carpet and put his arm around the singer View 3 Images Cynthia Erivo leaps into action to push a fan away from Ariana Grande at the Wicked: For Good premiere (Image: X)

Ariana Grande was shockingly accosted as she graced the red carpet at the premiere of 'Wicked: For Good' in Singapore. ‌

The 32-year-old pop star was interacting with fans from the yellow carpet - a tribute to Oz - when a man abruptly approached her and slung his arm around her shoulders. This triggered an immediate response from her co-star Cynthia Erivo, 38, who sprang into action, pushing the man away from a visibly taken aback Ariana. ‌

In the video, Cynthia, who portrays Elphaba opposite

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