Mumbai

Bollywood star Katrina Kaif wrote a heartfelt message for filmmaker Zoya Akhtar, whom she fondly calls 'Zo Zo'.

Taking to Instagram, Katrina posted a picture of Zoya and wrote, "Happiest birthday Zo Zo to our secret angel...trailblazer and dynamo. Wishing you only the bestest things this year."

Katrina has worked with Zoya Aktar in her directorial 'Zindagi Na Milegi Dobara', which hit the theatres in 2011.

The film also starred Hrithik Roshan, Abhay Deol, Farhan Akhtar and Kalki. The star-studded remains one of Bollywood's most cherished films. It follows three friends--Arjun (Hrithik Roshan), Imran (), and Kabir (Abhay Deol)-- on a transformative road trip across Spain.

The film is famous for its breathtaking landscapes and thrilling adventures like skydiving, running with bulls, and diving into self-realization with scuba diving.

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Zoya, daughter of veteran lyricist Javed Akhtar and screenwriter Honey Irani, has directed 'Luck By Chance', 'Dil Dhadakne Do', 'Gully Boy', and 'The Archies' as well.