Yeh Rishta Kya Kehlata Hai celebrated this special occasion and made it special for Mohena.It was a grand party with cake, friends and costars.The star-studded bash comprised of Mohsin Khan, Shivangi Joshi, Parul Chauhan, Rishi Dev and others. All the pictures and the videos are proof of the fun they all had celebrating this special day. While many flaunted whites and casuals, Mohsin and Shivangi were snapped twinning in black. Watch Video !