Alia and Ranbir also joined in to taste the cake while the others wished her. Take a look at the video below: The others were also heard singing, "Happy Birthday Carol, Happy birthday to you.

They joyfully sang the birthday song and clapped as she cut the cake. "Happy Birthday Carol, Happy birthday to you. You were born in the zoo with lions." ...

While Carol cuts the cake, Ranbir and Alia can be seen singing a birthday song for her. Adding a humorous twist, they sang, "Happy Birthday Carol, you were born in the zoo with lions,".