Riteish and Genelia, who made their debut together in Bollywood with "Tujhe Meri Kasam" in 2003, last worked together in the 2004 release "Masti".
"Working with my first n my most favourite co-star @geneliad after 7 long years. Today is the first day of the shoot. Excitttteeeeddd yeaahh, " Riteish posted on his Twitter page.
Genelia wrote: "My new film starts 2day, workin w @Riteishd after 7yrs.lllongggg time bt excited 4sure. Need ur prayers n wishes tweeps, bring it on."
The film is being produced by Tips Films, and Riteish is also upbeat about that.
"My first film with TIPS - Kumarji (Taurani) - have been wanting to work with them for a long time, " he added.