Girls Aloud enjoy a last-minute huddle
, Little Mix reveal their plastic alter egos and Lily Allen
shows off her baby bump - we take a look at the best celebrity tweets of the week.
Davina McCall poses in a corset and tigh leather trousers backstage of Got To Dance, tweeting: "And they call this work #gottodance."
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breakfast show - watch Anna Williamson discuss the day's biggest stories including Girls Aloud, X Factor
and The Great British Bake Off