As Saif Ali Khan turns 54 today, his wife and actress Kareena Kapoor Khan penned a heartwarming note on Instagram. Tagging him as the `love of her life`, Kareena shared two pictures that were clicked 17 years apart in Parthenon, Greece. 

The `Jab We Met` actress took to Instagram, where she has 12.7 million followers, and dropped a throwback picture from Parthenon, and the latest photo from the same location.