Indian tennis star Sania Mirza and her Pakistani cricketer husband Shoaib Malik wished their son Izhaan Mirza Malik on his second birthday.

The doting parents took to their respective Instagram handles and posted adorable birthday wishes for their little munchkin.

Taking to Instagram, Mirza said her son 'lights up' her 'whole world'.

The doting mommy posted a candid click of little Izhaan and poured her heart out in a long note.

'Happy birthday to this boy who lights up my world, who is my world and who changed my world. We love you much, my baby boy. You give us so much unconditional love, happiness laughs and cuddles that it fills up our heart.'

'May Allah guide you and give you everything you wish forever. We love you more than anything or anyone in this world. @izhaan.mirzamalik.'

'Feeling complete with my own, little world!', daddy Shoaib noted.