Obviously this isn't meant to be a secret – Katie is engaged, presumably, to that bloke she's been dating for about five minutes.
The 32-year-old mum filed for divorce from her second husband Alex Reid only two months ago. And after a whirlwind fling with 26-year-old Argentinian model Leandro Penna in recent weeks, suddenly she's flashing finger bling again.
There's been no announcement as yet, unless this tweet counts: “At least I can admit now I'm in love with leo and had been for along time but didn't want to say woo."
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