She was reportedly left red-faced after learning her relationship with Calvin Harris was over via Twitter.
But on Saturday the only thing red about Rita Ora was her very sexy dress as she performed at Capital FM's Summertime Ball at Wembley Stadium.
The singer made sure she stole the show in the revealing frock as she took to the stage not long after her ex-boyfriend Calvin.
Daring: Rita Ora made sure she stood out during Capital FM's Summertime Ball at Wembley Stadium on Saturday
Opener: The show was opened by her ex boyfriend Calvin Harris
Ensuring people were talking about her performance and nothing else the 23-year-old put on an energetic and impressive show.
However her outfit couldn't be missed as her underwear could be seen beneath the sheer and sparkly dress, and she appeared to go without a bra.
Her racy look was completed with a pair of red ankle boots and she wore her hair with added hair extensions which flew about as she danced away.
Raising the temperature: The singer looked incredible wearing the sparkly and short frock
Forgotten something: Rita appeared to perform without wearing a bra and while showing her red knickers
Not bothered: Calvin didn't look very worried about bumping into his ex as opened the show
The big reveal: Rita came on stage wearing a red hooded cape
Longer: The singer had long hair extensions which were pulled off her face on a half ponytail
The show was opened by Scottish DJ Calvin, who got the crowd going for Ellie Goulding, who followed shortly afterwards and of course his former love Rita, whose set included hit single How We Do (Party) as she performed with a troupe of dancers.
According to reports Calvin ended the couple's relationship because the singer made a secret trip to Los Angeles.
The music producer was reportedly left unimpressed when his then-girlfriend appeared vague about her whereabouts when the pair flew into the US for separate visits at the same time - and was left furious when he coincidentally used the same driver as the I Will Never Let You Down hitmaker.
Dance it out: Rita had the audience on their feet with her lively efforts
Short: Rita's dress showcased her long slim legs and she wore a pair of red shoe boots with it
An overall good look: Ellie Goulding showed off her stomach as she took to the stage
Rock out: As per usual Ellie got the crowd going with her impressive performance
Strapped in : Ellie's outfit featured straps and she wore a belly chain which accentuated her muscly stomach
A source told The Sun: 'It all ended when the driver suggested to Calvin that he had taken Rita to a hotel two days earlier instead of driving her to stay with him.'
The Acceptable in the 80s hitmaker was said to be suspicious that Rita had even hidden in her make-up artist's hotel room for the day to avoid being photographed in public, which would have alerted Calvin to her presence.
Rita addressed her split from Calvin for the first time last week, insisting via her Twitter page she has 'moved on' from the Scottish DJ.
Big hit: Clean Bandit went for monochrome stage outfits for their performance
Snap happy: Thousands of fans took pictures of Enrique Iglesias while he was stage
Flap happy: Jessie J wore a 20s inspired dress with a pair of white tights
Duet: She was joined on stage by Nathan Sykes from The Wanted
Writing on her Twitter page, she said: 'I don't usually address speculation but I've had an incredible time w Calvin,& i will treasure the memories.
'I've moved on from this topic so i hope people will respect that and do the same. Life can only be understood backwards but it must be lived forwards.(sic)'
Jessie J also performed and almost matched Rita's outfit for brevity was fellow performer Jessie J, who wore a jewelled white minidress.
Party atmosphere: The crowd partied hard as confetti fell all over them
Put your hands up: Wembley Stadium was rammed with excited music lovers
The former coach on BBC1's The Voice performed tracks such as Price Tag while showing her once-familiar black bob hairstyle is back following many months with a shorter blonde style after shaving her head for Comic Relief.
Other acts at the event included Enrique Iglesias, Australian pop act 5 Seconds Of Summer and Clean Bandit.
Brit Award-winning star Ellie Goulding performed earlier in the day, singing hits such as Burn and Goodness Gracious.
Many in the crowd had got into the party spirit by daubing their faces and arms with fluorescent body paint.
The event will also feature performances from Miley Cyrus and David Guetta.
Packed: Fans were keen to see the likes of Miley, Pharrell and home-grown Cheryl Cole
Screams: Michael Clifford (left), Luke Hemmings (centre) and Calum Hood (right) of 5 Seconds of Summer delight the crowd
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Source : http://www.dailymail.co.uk/tvshowbiz/article-2664549/Rita-Ora-wears-tiny-sheer-red-dress-performs-stage-ex-Calvin-Harris-Capital-FMs-Summertime-Ball.html?ITO=1490&ns_mchannel=rss&ns_campaign=1490
