Kareena Kapoor, who plays a streetwalker called Rosie in the film, was however absent from the celebrations, according to The Hindustan Times.
"Aamir threw an impromptu party at his residence to celebrate the successful opening of his film. While the entire cast and crew were present, Kareena was yet again absent from the party. Bebo was scheduled to come but didn't turn up. No-one knows why," said a source.
The actress had also been unable to attend the film's Mumbai premiere after suffering a throat infection.
"Kareena didn't turn up at the premiere as she was unwell and had prior commitment with Salman Khan on Bigg Boss season six," the source confirmed.
The suspense drama, starring Aamir Khan, Kareena Kapoor and Rani Mukerji, has earned Rs. 47.1 crore in the first three days.
In an interview with Digital Spy, Khan praised his co-stars for their performances, describing them both as "fine actors".
Watch the cast of Talaash in the promotional video 'Muskaanein Jhooti Hai' below: