Sharing the news with his well-wishers, the "Housefull" actor took to his Twitter to share a poster of his debut film, which released in 2003.
"Today: 13 Years of 'Tujhe Meri Kasam' - 13 years of @geneliad and me being part of this glorious family #IndianFilmIndusty," Riteish tweeted on Sunday.
The duo have worked together in films like "Masti" and "Tere Naal Love Ho Gaya", "Tujhe Meri Kasam".
The "Ek Villain" actor in 2013, made his debut as an film producer with the Marathi movie "Balak Palak", which was directed by Ravi Jadhav.
In 2014 he made his acting debut in Marathi cinema with the action film "Lai Bhaari", which was produced by his wife.
Riteish and Genelia, who tied the knot in 2012, welcomed their first child, a son named Riaan, in 25 November 2014.
Genelia, who also made her debut in 2003, later established herself in Telugu cinema by featuring in films in the language.
In 2004, the actress appeared in her second Bollywood movie, "Masti", in which she co-starred with Riteish again.
"Never thought that my first photo shoot would eventually be my wedding album. #Serendipity #TujheMeriKasam," Genelia tweeted.