Bipasha, who wore a red lehenga designed by Sabyasachi, couldn't stop smiling with Karan by her side.
Amitabh Bachchan came with his son Abhishek, who has co-starred with Bipasha in films like Dhoom 2 and Players and his daughter-in-law, actress Aishwarya Rai.
Aishwarya and Abhishek also posed with the newly weds:
Salman Khan and Shah Rukh Khan attended the celebration to congratulate Bipasha and Karan. Salman has worked with Bipasha in 2005's No Entry.
Sonam Kapoor looked stunning in a white sari.
Actress Tabu donned a beige and white sari and kept her hair side swept.
Actress Sushmita Sen wore a black and gold floor length gown.
Preity Zinta looked radiant in an orange sari.
Actresses Neha Dhupia and Dia Mirza looked very chic.
Malaika Arora Khan looked dainty in a periwinkle blue outfit.
Actor couple Riteish Deshmukh and Genelia D'Souza looked adorable.
Television personality Sophie Choudry looked spectacular in the pink and orange ensemble.
Actress Shamita Shetty's plus one was brother-in-law Raj Kundra.
Bipasha's Bachna Ae Haseeno co-star Ranbir Kapoor looked dashing in a suit.
Sanjay Dutt, Bipasha's co-star of films like All The Best and Rudraksh, came with Maanyata, who looked lovely in sari.
R Madhavan, who has worked with Bipasha in Jodi Breakers, came with wife Sarita Birje.
Bipasha's Aa Dekhen Zara co-star Neil arrived with his father Nitin Mukesh. Cousins Abhay and Bobby Deol also attended the celebration.
Director producer Divya Khosla arrived with her husband Bhushan Kumar, head of T-Series.
Also in twos were Kunal Roy Kapur and his wife Shayonti and Bipasha's Corporate director Madhur Bhandarkar and wife Renu.
Her Raaz co-star and former beau Dino Morea posed for the shutterbugs. On Facebook he wished his 'good friend' luck and best wished. He wrote: "On my way to see my beautiful friend Bipasha Basu start a new journey in her life, and to wish both Karan and her the best."
VJ Anusha Dandekar arrived with Karan Kundra.
Filmmaker Rohit Shetty and actors Jackky Bhagnani and Amit Sadh were also there.
Model Candice Pinto made a stunning entry with Drew Neal.
Sikander Kher and Bengali actor Prosenjit Chatterjee were also on the guests list.
Abbas-Mustan-Hussain trio, who have worked with Bipasha in Race were dressed in usual white.
Bipasha and Karan met on the sets of 2015 film Alone. This is Karan's third wedding, who was married to Saraswatichandra actress Jennifer Winget from 2012 to 2016 and actress Shraddha Nigam from 2008 to 2009.