Actor-producer Riteish Deshmukh heaped praise on his wife Genelia Deshmukh, calling her an "incredible woman" and his "biggest support" on her 30th birthday on Saturday.

Even a string of Bollywood celebrities sent out wishes for the "happy soul" to spread more "sunshine" with her smile.

Riteish, who has two sons with Genelia - who is eight years younger than him - tweeted: "Happy Bday Baiko. You are an incredible woman, my best friend, my biggest support and the strongest mother. Tumhare bina mai bikhar jaata."

Happy Bday Baiko @geneliad you are an incredible woman,my best friend, my biggest support & the strongest mother. बिन तुम्हारे मैं बिखर जाता pic.twitter.com/Ab2jG9wy0i

— Riteish Deshmukh (@Riteishd) August 5, 2017

He also shared a cosy and candid photograph with the post.

Their friends from the film industry also wished the actress, who has featured in Bollywood as well as southern films.

Filmmaker Karan Johar tweeted: "Happy birthday my darling. Have the best year... all the happiness and love always!"

Actress Huma Qureshi wrote: "You are such a lovely warm and super happy soul. Stay blessed and always cocooned in love."

Actor-director Sajid Khan called Genelia "sister", and said: "Always keep the sunshine going with that bright smile."

Actor Rahul Dev hoped Genelia keeps "glowing always", while filmmaker Ken Ghosh wrote: "Hope you get lots of sunshine in your life, like you give to others."