Saif Ali Khan and Kareena Kapoor's son Taimur turns three on today. The doting parents began the birthday celebrations a day early with a Christmas themed bash. Several guests reached the venue, including Taimur's aunts Soha Ali Khan and Karisma Kapoor, his cousins, Inaaya, Samaira and Kiaan, and Karan Johar with his son Yash.