Shilpa Shetty and Raj Kundar's son Viaan turned five on May 21 and Shilpa planned a special Masterchief theme party for her son and friends. Among those who came to celebrate Viaan's birthday include Shilpa Shetty's sister Shmita, mother Sunanda, actor Neelam with her child, filmmaker Divya Khosla Kumar with her son and Shabir Ahluwalia with wife Kanchi Kaul and their children and most surprisingly Harman Baweja also spotted there who poses for photographers also. Check out the video of birthday here.