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10 June 2012, 17:45 | Updated: 10 June 2012, 18:16
The trio pop stars wowed the 80,000-strong crowd at Wembley Stadium in London.
Katy Perry, Jessie J and Cheryl Cole ensured they didn't go unnoticed by wearing a variety of different outfits at the Summertime Ball this weeked.
The trio of pop stars lead a charge of females that also included Rita Ora, Kelly Clarkson, Carly Rae Jepsen and Cover Drive's Amanda at the event at Wembley Stadium in London.
Katy delighted fans in a polka dot top and matching trousers bottoms as she closed the music extravaganza, which saw performances from the likes of Justin Bieber, Coldplay and Usher.
The 'Teenage Dream' star, who performed a series of her greatest hits, finished off her outfit with a black bob wig.
PHOTOS: Katy Perry at the Summertime Ball.
Her wig covered up Katy's current long purple dip-dyed hair, which the star has been spotted wearing during her near week-long trip to London ahead of the Summertime Ball.
Check out a picture of Katy Perry performing at the Summertime Ball below:
Earlier in the day, Jessie J appeared on stage dressed in casual rock chic, courtesy of a studded leather jacket and hot pants, complimented by a Boy London t-shirt.
PHOTOS: Jessie J at the Summertime Ball.
The star completed her look with a pair of flat black trainers.
Check out a picture of Jessie J at the Summertime Ball below:
Cheryl was a surprise guest at Wembley and didn't go unnoticed when she rose from beneath the stage dressed in a multi-coloured neon catsuit.
PHOTOS: Cheryl Cole at the Summertime Ball.
Designed especially for the performance by Pam Hogg, Cheryl told Capitalfm.com afterwards that she wanted to ensure everyone in the stadium could see her.
Cheryl Cole performing at the Summertime Ball:
"Well the thing is, I was really lucky enough to have it made by a woman called Pam Hogg – who specialises in making catsuits, " she said.
"But when you're doing such a big event like that [Summertime Ball], it's a stadium – we {Girls Aloud) played here before with Coldplay – people at the back can't see a thing.
"You know they might get the odd clip on the screen or whatever but you become teenie tiny, so I thought I'd be bold and bright and give everybody a view."
Rita Ora delighted the Wembley crowd in a casual shirt, which was fastened at her waist, while Amanda from Cover Drive's figure hugging outfit was the talk of the stadium.
Keep your eye on the ball by heading to our Summertime Ball area for all the latest news, photo galleries and interviews from this year's event.
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