Katrina Kaif's latest hot item number - Sheila Ki Jawani - from Farah Khan's upcoming directorial venture `Tees Maar Khan' is now the most talked of in town.

Giving belly dancing classes in Mumbai, reportedly South American dancer Veronica D'Souza is the girl behind Katrina's moves in the much talked of song. She talks of the now rage item number `Sheila Ki Jawani' saying that when they started out she had never thought it would become such a big hit.

Talking about how Tees Maar Khan happened to her, Veronica reveals that Farah Khan had gotten in touch with her personally. Veronica then went to meet her at Mehboob Studio where she was shooting for a TV show.

It was there that Farah explained to her the concept for the song she was then planning, inside the vanity van. Moreover, Farah was also very keen on seeing Katrina doing some belly dancing. After having discussed the song in every minute detail, Veronica agreed to do it finding it very interesting.

Katrina Kaif's Sheila Ki Jawani is now giving a very tough competition to Malaika Aurora Khan's very popular Munni Badnaam Hui.