Images: Celebrities' Day Out

Nope, we're not talking about the ego kind. Priyanka Chopra whose latest movie, Kaminey is being lapped up by critics, was spotted along with industrialist Anil Ambani's wife Tina Ambani, at a product launch at Mumbai's Kokilaben Dhirubhai Ambani Hospital on Sunday.

US pop singer Madonna performs during her Sticky and Sweet Tour concert at Bemowo Airport in Warsaw on Saturday.

Fans of the pop singer wished the her a happy birthday as she took to the stage in Poland. Devoted fans at the gig sang "May You Live A Hundred Years", a traditional Polish birthday song, to mark the star turning 51 on August 16, reports the Daily Star.

The singer, who snubbed a group of high profile Polish campaigners by going ahead with her controversial show, told the doting fans: 'I feel your love!'

British singer Lily Allen performs at the Flamingo scene at the Way Out West festival in Gothenburg on Saturday.

The singer has revealed that she was injured before her performance at the Flow Festival in Helsinki, Finland. She, apparently, fell and hurt her back, but took a pain-killing injection for the show.

"(I) fell over badly last night ... Just had an injection ... How am I gonna get through tonight's gig?' Contactmusic quoted her as having posted on Twitter.

However, she did not tell how she fell.

Activists of India's ruling Congress party hold a portrait of actor Shah Rukh Khan and burn US national flag during a protest in Allahabad on Sunday. Khan said he felt angry and humiliated after he was detained and questioned at a US airport, sparking an uproar in India among his fans. Khan, 43, was enroute to Chicago for a parade to mark the Indian Independence Day on Saturday when he was pulled aside at Newark airport on Friday, he said.