Shah Rukh Khan and Aishwarya Rai Bachchan have been paired opposite each other in films like 'Mohabbatein', 'Shakti: The Power' and Sanjay Leela Bhansali's 'Devdas'. Interestingly, they played twins in 'Josh' (All pictures courtesy: mid-day archives and YouTube)
Salman Khan and Neelam Kothari, back in 1992, were paired romantically in the not-so-successful 'Ek Ladka Ek Ladki'. Six years later, Neelam went on to play Sallu's younger sister in Sooraj Barjatya's family drama 'Hum Saath Saath Hain'. Incidentally, 'Hum Saath Saath Hain' turned out to be Neelam's last big banner project
Kareena Kapoor Khan and Tusshar Kapoor, in 2001, played lovers in 'Mujhe Kucch Kehna Hai'. They later came together on screen in 'Golmaal Returns' as siblings
Zeenat Aman and Dev Anand, who played siblings in 'Hare Rama Hare Krishna', were seen as lovers on screen in films like 'Heera Panna' and 'Kalabaaz'
Priyanka Chopra and Ranveer Singh played brother-sister in 'Dil Dhadakne Do' with as much ease as they sizzled on screen in 'Gunday' and 'Bajirao Mastani' as a couple
Deepika Padukone and Arjun Rampal were paired opposite each other in 'Om Shanti Om', while they were seen as siblings in the Sajid Khan's comedy 'Housefull'. In fact, Arjun plays an over-protective brother to Deepika's spirited character in the comic caper. Needless to say, they were more convincing as couples interrupted by jealousy
Asin and Abhishek Bachchan played brother and sister in Rohit Shetty's 'Bol Bachchan', but in 'All Is Well', Asin and Abhishek where cast opposite each other as a couple
John Abraham and Deepika Padukone played a couple in 'Desi Boyz' and were later seen as siblings in 'Race 2'
Amitabh Bachchan and Hema Malini have been romantically paired in several films like 'Baghban', 'Satte Pe Satta' and 'Naseeb', but they played brother-sister in 'Gehri Chaal'
Sanjay Suri and Juhi Chawla play a married couple in 'Jhankaar Beats', while Juhi plays the role of Sanjay's elder sister in 'My Brother Nikhil'