The Elephant star has admitted that her former mentor won't reply to her texts.
Alexandra Burke has the "sweat" factor
Singer does impromptu gig in London
Alexandra Burke performed a last minute secret gig at London's Westfield shopping centre on Sunday June 12.
The X Factor winner was backed by two dancers and sang three of her hits to launch the new ad campaign for a deodorant brand.
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.
The 'Broken Heels' star wore two different dresses at her party.