Leigh-Anne Pinnock's big sister Sairah has announced she's given birth to her second child.The Little Mix star's lookalike sibling, 31, who is already mum to son Kailum, nine, took to her Instagram feed to share the news with her 91,200 followers with a black-and-white snap.The photo shows the newborn baby boy, who she's decided to call Sevn, holding on to her finger with a tight grip as he faces away from the camera.The youngster can be seen dressed in a white baby grow with a matching beanie on his head with illustrations of ducks all over it while tucked under a knitted blanket.
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