Britain's Got Talent judge Alesha Dixon is expecting her second baby.

Presenters Ant McPartlin and Declan Donnelly revealed the news as they opened the first BGT live semi-final on Monday night.

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The presenters started the show with a song and one of the lines was: "And Alesha is expecting."

40-year-old Dixon said she was "very happy" to be expecting her second child.

She already has a five-year-old daughter, Azura, with her partner Azuka Ononye.