Till date, Katrina Kaif has done a couple of item numbers such as 'Sheila Ki Jawaani', 'Chikni Chameli' and 'Aaya Re Bodyguard' and almost all her dance numbers have set the screen ablaze with her moves. Once again, she is all set to set the screen on fire with her belly dance in 'Mashallah' song.

'Mashallah' is a song of Kabir Khan 's forthcoming film, ' Ek Tha Tiger ', for which apparently Katrina had learnt new dance form of belly dancing floor work. The song was launched recently.

Katrina had done ''Aaya Re Bodyguard' for Salman Khan starrer ' Bodyguard ' but the song 'Mashallah' is for her very own film ' Ek Tha Tiger ' that has Salman in the lead.

A source from the unit has revealed that in 'Mashallah' is a song where Salman is praising Katrina and forms the most integral part of the film. In the song, Salman feels that Katrina is awfully beautiful and that's why the song is called 'Mashallah'.

According to the source, Katrina has changed her costumes five times in the song and she also gave her inputs about the way she was to be presented in the number.