Bollywood superstar Shah Rukh Khan's wife Gauri Khan on Thursday wished her son Aryan, who has turned 23. Earlier in the day, Aryan's sister Suhana also had a wish for him.Gauri posted a picture of her three children Aryan, Suhana and AbRam posing for the camera."Birthday Boy," she wrote.Suhana earlier shared a special birthday message for her elder brother. She posted a throwback picture on Instagram Story from Shah Rukh's recent birthday party in Dubai. The siblings are seen posing with the Burj Khalifa in the backdrop.For caption, she wrote: "Happy birthday to my bestie.. jk eww xxx @_aryan_"Suhana is studying filmmaking in New York. Currently, she is in Mumbai and spending time with her family.The 20-year-old is SRK and Gauri Khan's second child, after their son Aryan, who was born in 1997. In 2013, the couple welcomed their third child AbRam via surrogacy.