10/05/2012 06:30 BST | Updated 17/05/2012 06:27 BST

New Mum Una Healy Meets Up With BFF Zara Phillips And Shows Off Her Post Baby Figure At Rugby Do

New mum Una Healy had a rare day off yesterday when she attended the Rugby For Heroes Gala dinner at Twickenham stadium, which also gave her the chance to catch up with her BFF Zara Phillips.

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Una Healy and Ben Foden

The Saturdays' singer became friends with the Queen's granddaughter through her fiancé , rugby star Ben Foden, who is good friends with Zara's hubby, Mike Tindall.

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Chemmy Alcott, Zara Phillips and Una Healy

Una - who only gave birth to daughter Aoife Bell in March - showed off her enviable post baby figure in a floor length, strapless, butterfly print dress.

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Una later tweeted that Aoife was off for her immunisations later today, saying: "Taking Aoife Belle for her first injections this morning. I hope she doesn't find it too painful :("

Also at the rugby do were Corrie star Katherine Kelly and Alpine ski racer Chemmy Alcott who are also good friends of the Royal.

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Chemmy Alcott, Zara Phillips, Katherine Kelly