Local listings business Yelp (who bought Qype earlier this year) are hosting a special Christmas night in Camden featuring shopping, food & drink, and entertainment. It's free to get into (& there are free samples once you're there) but you need to RSVP here to get a ticket (you need to be a Yelp member to RSVP)
"Christmas season: a time of stress? Not when Yelp has your present shopping all wrapped up! Join us at London's FIRST EVER pop-up Christmas market party, which will be chock-a-block with unusual gifts.
And our present to you? Some of the capital's best food, sample drinks, and fantastic entertainment - all for FREE and open to all Yelp members. And at the amazing Proud Camden event space in the Stables Market. It'll make anyone feel festive."
Where - The Stables Market, Chalk Farm Road, Camden, NW1 8AH
Link 1 - Event listing & RSVP page