Mumbai, March 14: Bollywood star Akshay Kumar has shared with his fans his 'selfie of a lifetime' with Hollywood actress Salma Hayek. Akshay was in Dubai on Sunday for The Global Teacher Prize event, where teachers from around the world were being honoured. Akshay took to Twitter to share one of his unforgettable selfies, and captioned it: "Selfie of a lifetime... Honouring all the Teachers around the World, #TeachersMatter in Dubai! Salma Hayek." Apart from Akshay, Bollywood actors Parineeti Chopra and Abhishek Bachchan were also part of the event. And Parineeti’s dream of taking photograph with Hollywood actor Matthew McConaughey was photobombed by Akshay and Abhishek. The "Ishaqzaade" actress captioned the photograph: "Rab ne bana di jodi... Me and Matthew McConaughey! But photobombed! Abhishek Bachchan, Akshay Kumar." The Global Teacher Prize is a $1 million award presented annually to exceptional teachers, who make outstanding contribution to their profession.