Alexandra Burke, 32, looked chic in a black pencil dress as she led a host of celebs at Proud Embankment in London, on Friday

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.