James Corden has lent his vocals to this year's Sainsbury's Christmas advert, which has been written by Flight of the Conchords' Bret Mackenzie.

The Late Late Show host sings on a track penned about a father who struggles to find time to get presents for his children as Christmas looms.

The animated video's blurb, says: "Presenting the new Sainsbury’s Christmas Advert – a joyous Christmas musical created in stop frame animation featuring vocals by James Corden. It tells the story of Dave, a hard-working and devoted Dad, who realises that the greatest gift he can give people this Christmas is his time. 

"As the first snow falls, we find our hero Dave caught up in the Christmas whirlwind – all he wants to do is to get home to spend time with his family, but all sorts of Christmas duties and calamities are getting in his way. That is until he sees a gingerbread man on his daughter’s bedside table that they’ve made to look like him. That gives him a genius brainwave…"

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Watch the advert below: