Mumbai, Sep 21 (IANS): Bollywood star Kareena Kapoor cut the birthday cake on September 21. In a viral video, Kareena's husband Saif Ali Khan, son Taimur and sister Karisma Kapoor are among guests wishing the "Veere Di Wedding" actress.

Kareena is seen cutting the cake as Diljit Dosanjh "Happy birthday song" plays in the background. Incidentally, Diljit confesses being a huge fan of the actress, and has often expressed fondness for her.

Sisters Karisma and Kareena took to Instagram to share a video and photos from the celebration that seem to have started from midnight on September 21.

In the video, Kareena cuts the cake with a wide smile. "Happy birthday my darling Bebo! We love you. "Karisma captioned it.

She also tagged Diljit, whose song was used in the video.

Diljit wished the "queen" and wrote: "Kareena, wish you Health & Happiness. KEEP ROCKING."

Kareena used the same video and wrote: "#birthdayvibes".

In other images, Saif and Kareena dressed in white pyjamas and kurta are seen kissing each other, she is also clicked with her son in her arms. The Kapoor sisters also struck a pose for the camera.