Deepika was seen gyrating to the sexy number in'Dum Maaro Dum'. She worked out rigorously, and trained hard for the dance. The number which is one of the most awaited songs of the season, will Deepika in her most sexy avatar till date. She was going to wear the shortest skirt, ever to be worn by a Bollywood actress, however, when she started doing her dance movements, she realised that her movements became awkward due the short skirt, and since 'Dum Maaro Dum' song has some great dance movements she decided to get her skirt changed.