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Featuring Charlotte's most ambitious challenge to date: attempting to infiltrate the Welsh Guards as they undertake final rehearsals for Trooping the Colour. Charlotte's guests include Catherine Tate, Lee Mack and Beverley Knight.

In a new strand 'Lady to Ladette', Charlotte teaches five properly posh girls the essentials of a rollicking night out in Cardiff, based on her philosophy of the four 'D's: dressing, drinking, dancing and doners. Charlotte's guests include Katie Price and Gok Wan, and violinist Nigel Kennedy performs with Charlotte.

Charlotte turns the tables on talk show host Jonathan Ross. Elsewhere, songstress Adele performs with Charlotte, and there's plenty of involuntary audience participation with some unsuspecting members of the studio audience.

In 'Lady to Ladette', the final three appear in the studio for a no-holds-barred final. Guests include Jason Donovan and music is provided by Solange Knowles.

Charlotte's guests include Alan Davies and Jimmy Carr, and there's music from The Script.

Boxer Ricky Hatton drops by, plus there's music from Beth Rowley, who performs a duet with Charlotte. And there's more hidden camera fun in CCTV - Charlotte Undercover as Charlotte once again dons prosthetics and disguises, all in the name of comedy.

This week's guests include Patsy Palmer and comedian Adam Hills. And Danish popsters Alphabet perform with Charlotte.

The guests include Olympic double-gold medallist Rebecca Adlington, fashion gurus Trinny and Susannah, and also comedian Michael McIntyre.

In this festive edition Charlotte's guests are Gavin and Stacey's James Corden and Ruth Jones, and comedians Ronnie Corbett and Jo Brand. Music comes from Christmas cracker Rhydian Roberts.