Photos: What are Alia Bhatt, Kangana Ranaut, Salman Khan, and other Bollywood celebrities up to this week?

Kangana Ranaut during the trailer launch of their upcoming film 'Panga', in Mumbai

Salman Khan offers cake to actress Sonakshi Sinha during his 54th birth anniversary celebration, in Mumbai

Saif Ali Khan and Kareena Kapoor Khan with their son Taimur Ali Khan arrives for a Christmas brunch, in Mumbai

Nora Fatehi and Varun Dhawan and director Remo D'Souza perform dance during the song launch of upcoming Hindi fim 'Street Dancer 3D' Mumbai

Ranbir Kapoor and actress Alia Bhatt during the Christmas celebration in Mumbai

Deepika Padukone and director Remo D'Souza during the promotion of film 'Chhapaak' on the sets of Star Plus dance reality show Dance+5, in Mumbai

Sonakshi Sinha and Salman Khan pose during the interview for their film 'Dabangg 3' in Mumbai

Kriti Sanon along with father members as they celebrate Christmas with Children of Ashadaan Missionaries of Charity in Mumbai

Music Composer and singer Shankar Mahadevan click a selfie with Bollywood actress Kangana Ranaut, Director Ashwiny Iyer Tiwari, Punjabi actor Jassi Gill, and music director Loy Mendonsa during the trailer launch of their upcoming film 'Panga', in Mumbai

Deepika Padukone and film director Meghna Gulzar (L) poses during the promotion of the upcoming Hindi film 'Chhapaak' in Mumbai

Varun Dhawan along with actress Nora Fatehi and Dancer Remo D'Souza perform during the song launch of the upcoming movie 'Street Dancer 3D' in Mumbai

Kangana Ranaut poses during the promotion of film 'PANGA' at CSMT Station in Mumbai

Randhir Kapoor during the Christmas celebration in Mumbai

Deepika Padukone during the promotion of film 'Chhapaak' on the sets of Star Plus dance reality show Dance+5, in Mumbai

Akshaya Khanna, Priyank Sharma and Riva Kishan during a Press meet to promote their film "Sab Kushal Mangal" in New Delhi

Prabhu Deva and Remo D'Souza during the launch of the song 'Muqabla' from the upcoming film 'Street Dancer 3D', in Mumbai

Dia Mirza poses for a picture during a promotional event in Borivali, Mumbai

Karisma Kapoor during the Christmas celebration in Mumbai