Katrina, Imran at Ali Zafar's birthday bash

Bollywood beauty Katrina Kaif was spotted at the birthday bash of Ali Zafar, her co-actor in the upcoming movie, Mere Brother Ki Dulhan.

Katrina poses with choreographer Bosco and friends Karishma (left) and Ayesha.

Imran Khan is seen with a friend, Mughda.

Karishma, Katrina, Bosco and Ali Zafar have fun together.

Director Imtiaz Ali wished Ali Zafar on his birthday.

Mallika meets the President again: Mallika Sherawat met Barack Obama once again on Saturday (April 30) at the White House Correspondents' Dinner. The actress is seen in this pic, posing with Russell Simmons.

Aamir's backs Bandra community radio: Aamir Khan was recently at an event to support community radio Jago Mumbai . Aamir said he was happy to back the endeavour because it would help residents to know more about each other. (Photo: AFP)

Aamir Khan cuts cake at the event. (Photo: PTI)

Amitabh Bachchan attends the inauguration of a Tanishq format store in Mumbai. (Photo: AFP)

The Big B speaks at the event.(Photo: AFP)

Chic Priyanka: The actress was stunning in a fitted patterned white tunic and black jeggings at MTV's Youth Marketing Forum at the Comedy Store in Mumbai on Friday (April 29). (Photo: PTI)

At the event Priyanka spoke about the evolution of Indian Cinema and how it had shaped the youth culture of the country over the years. (Photo: PTI)

Deepika Padukone, who was shooting for Simi Garewal's upcoming chat show India's Most Desirable, strikes a pose. (Photo: PTI)

Deepika with Simi Garewal on the sets of the upcoming chat show, India's Most Desirable in Mumbai. (Photo: PTI)

Anushka Sharma and Imran Khan share a laugh. (Photo: PTI)

Anushka Sharma and Imran Khan (L) during the re-launch of a magazine in Mumbai. (Photo: PTI)

Aamir Khan greets thespian Dilip Kumar and veteran actor Mithun Chakraborty at a function to lay the foundation stone of a 16-storied building for cine and television artistes in Mumbai. (Photo: Varinder Chawla)

Aamir Khan, Dilip Kumar hug each other. (Photo: Varinder Chawla)

Aamir Khan greets yesteryear actress and Dilip Kumar's wife Saira Banu.

Genelia D'souza at the unveiling of a new range of jewellery in Chennai. (Photo: PTI)

Shraddha Kapoor (C), Taaha Shah (R) and film director Bumpy during a promotional event of their upcoming movie Luv Ka The End. (Photo: PTI)

Actress Nandana Sen recently unveiled Raa Diamond jewellery in Bhopal. (Photo: PTI)

Actress Anjana Sukhani spotted at a mall in Mumbai. (Photo: Varinder Chawla)

Katrina, Imran at Ali Zafar's birthday bash

Imran Khan and Katrina Kaif were spotted at the birthday bash of their co-actor and friend Ali Zafar. Take a look!