Grover's hilarious performance on the romantic Shah Rukh-Kajol track "Gerua" left the "Dilwale" cast in splits.
"It was a great moment, biggest stars were sitting right in front of me and performing. I would call it one of my good performances," said Grover, who is popular by his screen name 'Gutthi'.
The actor credited the script and conceptualisation for his act.
"It was not only my performance, there were external factors also like the reaction of people, song conceptualisation, etc. Everything put together it worked."
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The actor's act saw him painting himself red on the stage and imitating the 50-year-old star.
Shah Rukh was left so overwhelmed by Grover's performance that he went on to hug the actor.
Grover said it was Shah Rukh's "greatness" to allow him to hug despite being painted red all over.
"That was his greatness and that made the act memorable. He allowed me to hug him. That is gratefulness and that is why he rules the heart of people," he said.