Emily Atack left viewers baffled as they spotted her unusual habit on tonight's Christmas celebrity special of The Cube. The 31-year-old Emily Atack Show star took part in the gameshow alongside her actress mother, Kate Robbins.They played to win big money for their chosen charity, The Ben Kinsella Trust.During the show, viewers quickly noticed that the Inbetweeners star called her mother Kate "mummy".They took to Twitter to share their thoughts, as one wrote: "Anyone over the age 11 calling their mum "mummy" cringes me out..."While another wrote: "Why does Emily say, mummy?"A third added: "Petition to ban grown adults calling their parents Mummy and Daddy".Others weren't phased by Emily referring to Kate as "mummy", as one penned:.
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