Blue, cool, racy: Kareena Kapoor & Zarine Khan

Indian Bollywood actress Zarine Khan (C) poses as she attends 'The Gitanjali Derby' at a racecourse in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Zarine Khan (C) poses with pop singer Ali Quli Mirza as she attends 'The Gitanjali Derby' at a racecourse in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Zarine Khan (C) poses with pop singer Ali Quli Mirza as she attends 'The Gitanjali Derby' at a racecourse in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Zarine Khan (C) poses as she attends 'The Gitanjali Derby' at a racecourse in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Zarine Khan (C) poses as she attends 'The Gitanjali Derby' at a racecourse in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Zarine Khan (C) poses as she attends 'The Gitanjali Derby' at a racecourse in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Kareena Kapoor poses during the launch of book “Garbage Beat” by Richa Lakhera in Mumbai on December 23, 2012. (AFP)

 Indian Bollywood actress Kareena Kapoor poses during the launch of book “Garbage Beat” by Richa Lakhera in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Kareena Kapoor poses during the launch of book “Garbage Beat” by Richa Lakhera in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Kareena Kapoor poses during the launch of book “Garbage Beat” by Richa Lakhera in Mumbai on December 23, 2012. (AFP)

Indian Bollywood actress Kareena Kapoor poses during the launch of book “Garbage Beat” by Richa Lakhera in Mumbai on December 23, 2012. (AFP)