The actress, who gave birth to her first child on May 21, is celebrating her 37th birthday today.
"I am so happy and so joyously consumed by Viaan and of being a mum that I had actually forgotten that it's my birthday until Raj reminded me about it," Bollywood Mantra quotes Shetty as saying.
"You know I feel that Viaan is God's best gift to me, like a birthday gift in advance. That's why I think for the first time I have nothing on my birthday wish list except a big thank you to God."
Speaking about her birthday celebrations, the Desire actress said, "The biggest celebration for me after marriage was the day he was born, and since then, every day feels like a celebration, so I don't really feel the need to have a big bash or anything. I just want it to be a small family affair."
> Shilpa Shetty: 'I can't control my cravings'
Shetty said she is enjoying motherhood and is no rush to return to work.
"Yes, I wouldn't give up this joy for anything in the world. It's hard to put down my feelings in words… Is there a better way to describe feeling on top of the world?"
The Celebrity Big Brother winner, who is known for her interest in fitness, said she is not concerned with getting back into shape.
"You know right now work, figure… these are the last things on my mind. Viaan's like my sunshine and I am just basking in it."
Shetty and Kundra tied the knot in 2009.