After performing 'Chikni Chameli' item number in Karan Johar 's ' Agneepath ', 'Sheila Ki Jawaani' in Farah Khan 's ' Tees Maar Khan ' and 'Mashallah' in ' Ek Tha Tiger ', the actress Katrina Kaif will be seen doing a more complex forms of dance called acro-dancing in the upcoming film ' Dhoom 3 '.

All her item numbers mentioned above, for which she had to undergo rigorous training, have become extremely popular among the audiences. Acro-dancing is regarded as one of the most complex forms of dancing. Katrina will receive training for this particular dance number by the acro-experts in Mumbai.

Aamir Khan , who would also be joining Katrina briefly in the item number, will also be taking acro-dancing lessons in Chicago, where the film will be shot.

A source said that Katrina wanted the dance numbers in ' Dhoom 3 ' to take her beyond 'Chikni Chameli'.