Actress Priyanka Chopra is busy prepering up for her show at the impending International Indian Film Academy (IIFA) awards, but she is struggling to master ace dancer Prabhu Deva's choreography for the act.

"Heading to shoot Barfi! and then IIFA rehearsals... prabhudeva choreographing and is killing me!! Man! What an unbelievable faculty! Woke up tired," Priyanka tweeted. The 30-year-old, whose forthcoming projects include Teri Meri Kahaani and Barfi!, is vying for the IIFA best actress in a leading role award for 7 Khoon Maaf. The weekend and awards ceremony is to be held in Singapore June 7-9.