It was revealed that she split from her footballer beau Angus MacDonald six weeks ago, with the star deleting snaps of the couple from her Instagram.
And, newly-single Alexandra Burke, 32, looked chic in a black pencil dress as she joined Strictly’s Nadiya Bychkova, 31, and a host of celebs at Proud Embankment in London, on Friday.
The women spent the evening watching Blue singer Duncan James in another triumphant performance of Cabaret All Stars.
Chic: Newly-single Alexandra Burke, 32, looked chic in a black pencil dress as she led a host of celebs at Proud Embankment in London, on Friday
West End star, Alexandra, looked incredible in her form-fitting gown, which featured a cut-out centre allowing her ample cleavage to be on display.
The singer kept things simple, boosting her height with a classic pair of pointed black stilettos, and styled her hair extensions into glamorous waves.
Nadiya looked in the mood to party as she stepped out in a black mini dress, which was covered in contrasting studs and featured a fake-plunge neckline
Showing off her natural beauty, the dancer swept her blonde tresses back into a sleek ponytail.
Girls night! The singer joined Strictly’s Nadiya Bychkova, 31, at the venue, while Luisa Zissman was also in attendance
Gorgeous: West End star, Alexandra, looked incredible in her form-fitting gown while looked in the mood to party as she stepped out in a black mini dress
Glam: Nadiya’s frock was covered in contrasting studs and featured a fake-plunge neckline
All wrapped up: The star wrapped up in a furry black jacket as she made her way to the venue
Elegant: Alexandra maintained a neutral expression as she posed for photographs
Alexandra’s night out comes after MailOnline exclusively revealed that the singer had split from her footballer boyfriend Angus MacDonald after 15 months of dating.
The West End star has deleted all trace of the Hull City defender, 28, from Instagram, including pictures of the pair enjoying birthdays and holidays together.
An insider confirmed to MailOnline that Alexandra and Angus had ‘amicably split’ and ‘remain good friends’ despite having gone their separate ways.
Beauty: Showing off her natural beauty, the dancer swept her locks back into a sleek ponytail
Feathered fancy: Nadiya opted for a feathery grey coat to keep her warm
Sensational: Nadiya put her long pins front and centre in her ensemble
Glam: Luisa wore a striking textured mini dress with exaggerated shoulders
A source added: ‘Alexandra and Angus both have busy careers and it’s been hard to see each other during lockdown.
‘It felt like the best decision for them to cut ties and for Alexandra that involved removing any pictures of them together from her Instagram.’
Alexandra went official with Angus in July 2019 in a now-deleted black and white post that was taken during a romantic meal.
Winter wonder: Louisa looked festive in her fluffy white coat as she arrived at the venue
Wow! Claire Sweeney, 49, dazzled in a one-shouldered black sequin jumpsuit
Fabulous: The blonde beauty styled her long bob sleek and straight
Glam: The actress added a subtle pop of colour with a red manicure and pedicure
The X Factor winner dated the sportsman following the breakdown of her engagement to Josh Ginnelly, who she split from just weeks earlier.
Alexandra supported Angus throughout his bowel cancer diagnosis; after he was confirmed to have the disease in August 2019.
After undergoing surgery to remove his entire bowel, and have his stoma reversed, Angus was given the all clear last Christmas and returned to football training in January.
Fashionista: Amelia Lily put on an elegant display in a black and white wrap dress
Fun with friends: Amelia cosied up to her friend Kyle John Craggs for a snap
Chic: Hollyoaks actress Sophie Porley flashed a hint of her bra through her semi-sheer white blouse, which she teamed with leather look trousers
In an interview from April this year, Angus credited Alexandra for helping him to cope after he had just discovered the news.
He said: ‘The first person I told was one of my best friends. It was a very emotional phone call – I don’t think I’ve ever cried to my friends before. I couldn’t get my words out.
‘I had the weekend with Alex and she knew something wasn’t right. On the Saturday night, I broke down and told her the news.
Gorgeous: Sophie drew attention to her full pout with a pop of colour, and styled her brunette tresses into effortless waves
Easy breezy: The rapper looked at ease as she sat on the floral throne at the event
Making a statement: Amy Di Bartolomeo and Isabella Bliss commanded attention in their contracting ensembles
‘I would rather have just dealt with it alone and I didn’t want to upset anyone but she was reassuring. I don’t know what I would have done without her support.’
During their 15-months together, Alexandra and Angus holidayed in Dubai, Japan and Disneyland, with all photos from their previous trips now wiped from social media.
Alexandra, who is confirmed to take part in the upcoming series of SAS: Who Dares Wins, was in a relationship with ex-fiancé Josh for three years before they split.
It’s all over: West End star Alexandra split from footballer Angus MacDonald after 15-months of dating back in October (pictured in October 2019)
The former Strictly star confirmed she and Josh were engaged in 2018 when she shared a photo of her diamond ring to Instagram alongside the words: ‘I said yes!’
Alexandra won The X Factor in 2008 after performing with Beyoncé in the final, and went on to achieve three UK No 1 singles.
Having also found success in musical theatre, she appeared on Strictly Come Dancing in 2017 and came second.
Removed: Since splitting from Angus, Alexandra has deleted all trace of her former partner from Instagram, including pictures of the pair enjoying birthdays and holidays together