Kalli Purie's book launch in Delhi

Kalli Purie (left) and Sonam Kapoor hold the book Confessions of a Serial Dieter during its launch in New Delhi on Sunday, January 15, 2012.

Kalli Purie (left) pauses in between signing copies of her book to pose for the camera with fashion designer Suneet Verma at the launch of her book on Sunday, January 15, 2012.

India Today Group Chairman Aroon Purie (left) and Sonam Kapoor smile for the cameras during the launch of Kalli Purie's book in New Delhi on Sunday, January 15, 2012.

Sonam Kapoor (right) speaks on dieting as Kalli Purie looks on at the launch of her book in New Delhi on Sunday, January 15, 2012.

Kalli Purie (right) and dietician Ishi Khosla pose for the cameras at the launch of Confessions of a Serial Dieter in Delhi on Sunday, January 15, 2012.

Kalli Purie (left) and Sonam Kapoor during the launch of the book in New Delhi on Sunday, January 15, 2012.

(From left) India Today Group Chairman Aroon Purie with Meghnad Desai and a guest at the launch of Kalli Purie's book in New Delhi on Sunday, January 15, 2012.

Author Kalli Purie (centre) with former Miss India Manpreet Brar (right) and her husband Arjun Wallia at the launch of Confessions of a Serial Dieter in New Delhi on Sunday, January 15, 2012.

Kalli Purie (left) and Sonam Kapoor pose for shutterbugs at the launch of Kalli's book in New Delhi on Sunday, January 15, 2012.

Kalli Purie (right) with Fortis Healthcare Chairman Malvinder Singh at the launch of her book in New Delhi on Sunday, January 15, 2012.

(From left) Economist Meghnad Desai and adman Dileep Cherian with other guests at the launch of Kalli Purie's book in New Delhi on Sunday, January 15, 2012.

Art conservationist Rekha Purie (left), author Kalli Purie and Sonam Kapoor at the launch of Confessions of a Serial Dieter in New Delhi on Sunday, January 15, 2012.

Bollywood actor Sonam Kapoor (right) releases India Today Group Chief Creative Officer Kalli Purie's book Confessions of a Serial Dieter in New Delhi on Sunday, January 15, 2012.