Actress Priyanka Chopra is busy gearing up for her performance at the forthcoming 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 incredible talent! 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.