Actor Sidharth Malhotra, who turned 31, celebrated his birthday with a watermelon treat with his 'Kapoor and Sons' co-stars Alia Bhatt and Fawad Khan.

She posted this with an image in which she is seen eating a slice of watermelon, while Sidharth is posing with another slice and Fawad is looking at Alia.

Sidharth, who made his Bollywood debut with 'Student Of The Year', was wished a 'happy birthday' by other celebrities from filmdom too.

Meanwhile, Sidharth's 'Villain' co-actor Riteish Deshmukh shared...

'Kapoor and Sons', a romantic drama produced by filmmaker Karan, will see Alia, Sidharth and Fawad sharing screen space for the first time. The male leads will be seen playing the role of writers.

The film is slated to hit theatres on March 18 next year.