Showbiz
The Radio One DJ broadcasted news of her pregnancy to listeners.
She revealed her and partner Ben Cyzer's pleasure at the news, saying that they were "beside themselves with happiness".
She also thanked listeners for supporting her over the last decade.
The baby will be a sibling to Cox and Cyzer's 18-month-old son Isaac, as well as 5-year-old Lola, from Cox's marriage to DJ Jon Carter.
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