Alesha Dixon
Let's just say you should keep an eye on the 'BGT' live shows...
We wonder what David Walliams will make of this?
Even Stephen Mulhern skipped it.
'I feel so sorry for the producers.'
Sam Quek and Stacey Soloman had a twinning moment.
It's a yes from us.
Reunited and it feels *so* good.
'It's the most wonderful time of the year' 🎶.
The celebrities taking part have also been announced.