26/05/2017 07:14 BST | Updated 26/05/2017 10:07 BST

Katy Perry Breaks Down In Tears At Secret London Gig As She Pays Tribute To Victims Of Manchester Terrorist Attack

'That’s my friend, that’s my sister, that’s my brother.'

Katy Perry paid an emotional tribute to the victims of the terrorist attack in Manchester during a secret gig in London on Thursday night.

The ‘Chained To The Rhythm’ singer broke down in tears on stage at the show at the Water Rats venue in the capital.

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Katy Perry performing at the launch party for the new Capital Breakfast show with Roman Kemp, at the Water Rats pub in London.

The US singer dedicated a song to the 22 people who lost their lives after a suicide bomber targeted Ariana Grande fans, following her concert at the Manchester Arena on Monday evening.

Speaking to the crowd, she told them: “This week has been really hard. It sucked. It was hard for you guys and it was hard for me because we all love music.

“We all listen to the same music. And you think about it and think that’s my friend, that’s my sister, that’s my cousin, that’s my brother.

“It’s awful. And whatever you can do to help, you should. And if you can’t do anything that’s fine. But what you should do is not let them win.”

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She then dedicated her hit ‘Part Of Me’ to the victims, telling the crowd: “I’m going to sing this next song for them. They can never take that part from us ever. Ever.”

Yesterday, Mariah Carey paid her respects to her superfan Martyn Hett, who was killed in the bombing.

After hearing of the 29-year-old’s death, the US star shared a touching tribute on Instagram.

Posting a picture of Martyn wearing a Mariah T-shirt, she wrote: “Devastated to learn that one of the victims in Manchester was part of the #Lambily. RIP Martyn Hett. We will cherish your memory forever.

“His family and all the families affected are in my thoughts and prayers. MC.”

Radio 1 Breakfast Show host Nick Grimshaw previously shared some poignant words on his social media accounts about Martyn.