Did you know Sidharth Malhotra adorably calls rumoured girlfriend Kiara Advani as 'Ki'? See Proof - PINKVILLA

Turns out, Sidharth lovingly calls Kiara as 'Ki', Responding to her birthday wish, Sidharth said, "Thanks Ki," with a hug and heart emoji.

Apart from Kiara Advani, other Bollywood celebs like Kareena Kapoor Khan, Vicky Kaushal, Katrina Kaif, Rashmika Mandanna, Anushka Sharma and others too took to their Instagram stories to wish the birthday boy