Bollywood actor Akshay Kumar, on his wife Twinkle's 38th birthday Saturday, called her the woman of his dreams, and says she turned his life into a celebration all the way."Today is a very special day because it is the birthday of the person who has made my life a celebration. Happy Birthday Tina (Twinkle), my wife, my friend, mother of my children... in short the woman of my dream," the 45-year-old tweeted.Akshay and Twinkle tied the knot in 2001. They have two kids - Aarav, 10 and daughter Nitara, who was born in September this year.Twinkle shares her birthday with her father, late superstar Rajesh Khanna, who passed away earlier this year. The actor would have turned 70.