Katrina learnt a new dance form of belly dancing for the song 'Masha Allah' in Kabir Khan's forthcoming film, in which she will be seen opposite ex-beau Salman Khan.
After hit item numbers like 'Sheila ki jawani' and 'Chikni Chameli', Katrina is back with the sensuous number in "Ek Tha Tiger".
According to sources, 'Masha Allah' is the integral part of the film, in which, Salman praises Katrina as he feels that she is extremely beautiful.
When the song was discussed, Katrina was shooting on the borders of Turkey and Iraq and that is when she decided to learn the belly dance. She also gave inputs about the way she was to be presented in the number.
The film is set to release on August 15.