The world’s most beautiful woman Aishwarya Rai Bachchan celebrates her birthday today and has turned 36 year old. Before starting out in Bollywood, Aishwarya did some modeling and then went onto win the Miss World title in 1994. She made her debut in Iruver, but won her first filmfare Best Actress Award for Hum Dil De Chuke Sanam where she starred with her ex-boyfriend Salman Khan