Katy Perry and Russell Brand have put themselves on a diet.

Katy Perry and Russell Brand have put themselves on a diet. The pair ‘ who tied the knot at the luxury Aman-i-Khas resort in Rajasthan, India, last month ‘ are determined to get fit and feel healthier, and so have cut out all wheat and dairy until the end of this year.  A friend of the couple said: ‘Katy and Russell are taking care of themselves and are on a mission to get fit. As well as cutting out wheat and diary, they’re on a diet of raw vegetables, tofu and pulses.As well as their special diet, the British comedian ‘ who is vegetarian – and his pop star wife also appear to have picked up some health tips during th  r recent stay in India.The source explained to the Daily Star newspaper: ‘They’re both drinking loads of pineapple juice and are obsessed with Indian green tea which is full of anti-toxins and great for weight loss.’However Katy’s and Russell’s new health kick may not last until the New Year as the pair are said to be planning a fun filled family Christmas in London.The insider revealed: ‘Katy and Russell are trying to get their families together for their first Christmas as husband and wife. Katy thinks a white Christmas in London would be romantic.’They are hoping to have a proper knees-up with the whole of Russell’s family. Katy’s mum and dad are hoping to come to London as well.’