Heads turned when Sidharth Malhotra and Alia Bhatt walked out of Sanjay Kapoor’s Diwali bash together (not hand-in-hand) and speculation caught fire that the estranged lovebirds have decided to rekindle their romance. Sidharth Malhotra & Alia Bhatt At Sanjay Kapoor’s Bash But NO, it’s nothing like that. We have it from sources close to them that both are firmly single …