Of launches and promotions: Sonakshi Sinha, Emraan Hashmi, Gautam Gulati

Bollywood actress Sonakshi Sinha was seen at a car launch in Mumbai on Tuesday (March 31). Dressed in a black Nikhil Thampi outfit, Sonakshi looked beautiful. (Source: Varinder Chawla)

Sonakshi has gradually lost oodles of weight and is looking glamourous as ever. (Source: Varinder Chawla)

Sonakshi poses with the new model of the car. (Source: Varinder Chawla)

Sonakshi takes a selfie with the mean machine. (Source: Varinder Chawla)

Meanwhile, Emraan Hashmi was seen doing some promotional duties for his upcoming movie 'Mr X'. (Source: Varinder Chawla)

Accompanying Emraan was his co-star from the movie - Amyra Dastur. (Source: Varinder Chawla)

Amyra looked pretty in white and black. (Source: Varinder Chawla)

Elsewhere, 'Bigg Boss 8' winner, who is the newest entrant to filmdom, was seen at the unveiling of his debut movie 'Udanchhoo'. (Source: Varinder Chawla)

Model actress Bruna Abdullah will also be seen in the movie. (Source: Varinder Chawla)

Saira Banu's grand niece Saisha Sehgal makes her debut with 'Udanchhoo'. (Source: Varinder Chawla)