New Delhi, Oct. 3 -- Barack and Michelle Obama are celebrating 33 years of marriage, and the former US president marked the occasion with a heartwarming tribute to his wife on social media.

Taking to Instagram, Barack Obama wrote: "The best decision I ever made was marrying you, @MichelleObama. For 33 years, I've admired your strength, grace, and determination - and the fact that you look so good doing it all. Happy anniversary!"

The Obamas, who have long been admired for their bond, have shared countless milestones, including raising their two daughters, Malia (26) and Sasha (23).

The love story of Barack and Michelle Obama began in 1989 when they met at a Chicago law firm. Michelle Robinson, then a young lawyer and Harvard Law gradua...