The theme for the night itself was black and white, revealed designer Manish Malhotra, who took charge of preparing the venue, styling the waiters' uniform as well as styling a list of celebrities who tip-toed to the party with elan.
Johar looked dapper in a jet black suit, white shirt teamed with a shimmery bow and a white rose in his left pocket. He added more glamour with shimmery black shoes.
His mother Hiroo was also in perfect sync for the occasion in a white salwar kameez spiked with silver bling. Joining her in a simple off-white salwar suit was the Bachchan's representative -- Jaya.
Johar's closest friend, superstar Shah Rukh Khan made a rare, early entry for the party. He looked handsome in a black suit with a shimmery bow a la the birthday boy, while his wife Gauri flaunted a sexy look in a dark saffron gown.
The other Khan in the party -- Aamir chose to be different in a Chinese-collared suit, and his better half Kiran Rao wore a pistachio-coloured outfit.
There were other couples too - Hrithik Roshan-Suzann Khan, Sanjay-Maanyata Dutt, Riteish Deshmukh-Genelia D'Souza, Anil-Tina Ambani,Goldie Behl-Sonali Bendre, Vidhu Vinod Chopra-Anupama Chopra and actors Boman Irani, and Ronit Roy came with their respective wives.
Vidya Balan entered with her beau Siddharth Roy Kapoor, and she stuck to her tradition of wearing a sari, but the duo dodged the shutterbugs smartly.
Actresses like Bipasha, Sonakshi Sinha, Kareena Kapoor and Karisma Kapoor sizzled in their respective outfits, and looked like they werein a great mood to party. Kareena was sans beau Saif Ali Khan, but looked delightful in a floral short dress.
Her former beau Shahid Kapoor wore a simple black suit, and charmed everyone with his boy-next-door look.
Johar's other good friend Kajol dropped in but without her husband Ajay Devgan. She was accompanied by her sister Tanisha Mukerji.
Their cousin Rani, another close friend of the "Kuch Kuch Hota Hai" director, came dressed in a steel grey coloured dress.
Actress Preity Zinta came in with Hrithik and Suzanne. Her former boyfriend, businessman Ness Wadia followed alone 20 minutes later.
Filmmaker-actor Farhan Akhtar came in too, sporting a ponytail with a black suit, white shirt and black bow.
Yash Raj Films's latest muse Parineeti Chopra came in with Uday Chopra, while her star cousin Priyanka made it to the late comer list as she entered at 12.40 a.m.
Johar's childhood friend, filmmaker Ekta Kapoor,chose a glamourous avatar for the party and wore an off-shoulder green and blue-coloured gown, while Konkona Sen Sharma, Neha Dhupia and Mini Mathur opted the traditional look with a sari.
Actress Kalki Koechlin, who has just returned from the 65th Cannes International Film Festival, looked stunning in an eye-catching orange dress.
Actor Randeep Hooda wore a steel grey suit, while sarod maestro Ustad Amjad Ali Khan's sons Amaan and Ayaan showed up in simple blacksuits with white shirt and a classic black tie.
Rahul bose arrived with model Tena Desae of "The Best Exotic Marigold Hotel" fame.
The guest list also included directors Jugal Hansraj, Karan Malhotra, Punit Malhotra and Sooraj Barjatya.