The Strictly Come Dancing favourite looked sensational in a slinky red dress that highlighted her phenomenal physique.
In the Instagram upload, Alexandra, a former X Factor winner, ensured all eyes were firmly on her in the daring silk number.
She drew attention to her perky bosom in the low-cut frock and showcased her toned arms in the strapless garment.
Raising the hem of her gown, Alexandra gave fans an eyeful of her shapely thighs and stylish heels.Related articles
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Strictly's Alexandra Burke in pictures
Being in love is one of the most magical feelings life has to offe
The singer oozed confidence in the fabulous attire as she stared down the camera lenses and struck a sultry pose.
Resting one hand on her chest, Alexandra made sure her sparkling engagement ring took centre stage.
The pop star confirmed her engagement to long-term boyfriend Joshua Ginnelly via Instagram last month.
In a lengthy post, she wrote: “I said YES! Smiling as I type this because it was the best day ever in Paris