The Elephant star has admitted that her former mentor won't reply to her texts.
Alexandra Burke celebrates her birthday
The 'Broken Heels' star wore two different dresses at her party.
It may seem like she's been around forever, but Alexandra was only celebrating her 23rd birthday.
She began the evening in a grey and skin tight mini-dress and performed a few of her hits before opting to change into a floor-length, white Grecian number.
Burke was beaming throughout as she enjoyed partying with friends and family, and recently tweeted: "Thank you all for the amazing birthday messages! I had the best party ever last night!"
The guest list at the lavish do included One Direction and rapper Chipmunk.
Alexandra poses for a photo in her 2nd dress of the night, a gorgeous floor-length gown.
The 23-year-old spills the beans on her secret romance.
Alexandra Burke found herself back on familiar territory in a new role on Saturday night.
Alexandra was last night added to the line-up for Michael Jackson's tribute concert.