"Hey guys today (Thursday) is day one of 'Hasee Toh Phasee', feels great to be back on set again. Excited to work with this team, wish us luck, big love," tweeted Sidharth.
Karan's Dharma Productions is co-producing the film with Phantom Production, and Vinil Matthew is directing it.
Pics: Prabhas, Tamannaah Bhatia at 'Baahubali 2' first look launch at MAMI
'Ae Dil Hai Mushkil' photos: Aishwarya, Anushka, Karan get candid at MAMI
Photos: Huma Qureshi, Neha Dhupia and other celebs at MAMI
Photos: Amy Jackson, Daisy Shah at Mumbai airport
Photos: Sridevi, Irrfan and other celebs at 'Mughal-e-Azam' screening