Saif Ali Khan's star studded birthday celebrations!

Pic Courtesy: Karisma Kapoor Instagram

New Delhi: The 'Nawab of Pataudi', Saif Ali Khan who turned 45 on August 16 had a gala celebration on his birthday.

The suave actor is defying ageing gracefully and looked casual yet elegant.

Sister-in-law Karisma Kapoor posted the birthday celebration pictures on Instagram.

The party was attended by Saif's family and friends including the gorgeous wife Kareena Kapoor Khan along with Karisma Kapoor, Malaika Arora, Amrita Arora Ladak, Soha Ali Khan, Kunal Khemu and son Ibrahim.

Check out below the stars sizzling on Saif's birthday:

HAPPY BIRTHDAY SAIFF Celebrating #SaifAliKhan his birthday! #AmritaArora #KarismaKapoor #KareenaKapoor #bollywood #follow #love #happy

A photo posted by Kareena Kapoor Khan (@kareenabebo) on Aug 16, 2015 at 2:52am PDT

Saifu's Birthday #family#friends#love

A photo posted by KK (@therealkarismakapoor) on Aug 16, 2015 at 10:58am PDT

Birthday Boy !#family#friends#love

A photo posted by KK (@therealkarismakapoor) on Aug 16, 2015 at 10:57am PDT

The dashing star will be seen next in Kabir Khan's 'Phantom' along with Katrina Kaif.