By Daily Mail Reporter
Excited: A clearly proud Diana Vickers celebrates reaching number one with her debut single Once with some red wine with friends at an Italian restaurant
She was knocked out of the 2008 series of The X Factor in the semi-final.
But Diana Vickers showed she didn't need the talent show Goliath behind her as she shot straight to the top of the charts with her debut single.
Her track Once knocked previous number one Usher's OMG off the top spot when the official charts were announced yesterday evening.
Deserved: Diana takes a big gulp of the wine following the success of her single
And clearly in the mood to celebrate, Vickers decided to take her friends to an Italian restaurant in London, where they enjoyed a meal and wine.
The 18-year-old singer couldn't keep the smile from her face as she chatted to friends keen to congratulate her, as well as taking calls from those who couldn't be there in person.
Vickers also held up a homemade congratulations card, drawn with black pen on a piece of paper torn from a notepad, as she sat in the restaurant.
Earlier in the day, Vickers had been photographed celebrating her success as she carried a bumper box of Krispy Kreme doughnuts from Harrods.
Vickers signed a record deal in March last year, but was given permission to put the recording of her album on hold so she could star in the West End production of Little Voice, for which she received rave reviews.
During her time on the X Factor, Vickers stood apart from the other candidates for her insistence on performing in bare feet and 'The Claw', the nickname for her bizarre hand movements while singing.
In a recent interview, she promised fans she would try to tone down her 'claw'.
She said: 'The claw - oh God. I don't even know why I do it, I have no idea. I literally just go free when I'm singing and I do really weird things.
Celebration: The X Factor star looks at a homemade card congratulating her one reaching the chart top spot
Worried: Diana looks slightly concerned as a friend attempts to take away her mobile phone
'I haven't even sung live for ages as me, as Diana, so there might be some new movements popping up somewhere. I don't know, we'll see.'
She caused controversy when producers gave her special permission to 'sit out' week five after contracting laryngitis, which some viewers deemed unfair to the other finalists.
Hungry: The singer had been seen toting a bag full of gooey doughnuts earlier in the day, but was later seen holding the empty box
source: dailymail