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The Teri Meri Kahaani star will be presenting the awards for the first time.
"It is a great platform for me to host and perform. I am nervous," said Kapur, PTI reports.
Choreographer-turned-director Prabhu Deva, who will be arranging sequences for the show and performing, revealed he was nervous, saying: "I would be choreographing for everyone at IIFA. And also I would be performing. I am nervous. I am tensed but I will do my best."
Bipasha Basu, Sonakshi Sinha and singer Mika will also perform at the awards ceremony next month.
Speaking to the media, Basu said: "I am not a trained dancer, but I am energetic. I hope I manage to perform on Prabhu Deva's dance steps."
The 13th IIFA awards will be held in Singapore from June 7 to 9.
