The actress has begun training to look fit for Shirish Kunder's Joker Farah Khan made Katrina Kaif hit the gym with a vengeance to look sizzling for the Sheila Ki Jawani track in Tees Maar Khan.

The actress worked out with trainer Yasmin Karachiwala who has her fitness centre in Bandra. Now it is Sonakshi Sinha's turn.

The Dabangg actress who features in Farah's hubby Shirish Kunder's Joker has also begun training with Yasmin. The movie has Akshay Kumar as her co-star and goes on the floors early 2011.

Says a source, "It was Farah who suggested that Kat start training with Yasmin as preparation for the Sheila Ki Jawani track months in advance to have a super bod for the shoot.

They are now doing likewise for Shatrughan Sinha's daughter."

Adds the source, "Sonakshi has to knock off inches for Joker. Her role demands a fit and toned body. She has begun her workouts with Yasmin as preparation for the movie."

Says Sonakshi, "I heard about Yasmin from a friend and was tired of doing the same old workout, so I made the switch!

She's very good and I'm enjoying my workout, feeling and looking better! It's good to be fit and Yasmin is helping me achieve exactly that!"

Salman's motivation

Before the shoot of Dabangg began, Sonakshi lost oodles of weight thanks to the motivation provided by co-star Salman Khan. Shatrughan Sinha's daughter lost all her flab after an extensive diet and fitness schedule.

When Farah made SRK lose it

Kat lost weight for Sheila Ki Jawani, while Farah Khan had earlier made Shah Rukh Khan not only become lean for the Dard-e-Disco track of Om Shanti Om but also develop six pack abs!

Star trek

Yasmin's other starry B-Town clients include:
>> Kareena Kapoor
>>Imran Khan
>> Karisma Kapur
>> Kunal Kapoor