Another two cities have been announced, where the 2010 Eurovision Song Contest flash mob dance will take place. London, United Kingdom and Ljubljana, Slovenia have been added to list with Oslo, Norway and Düsseldorf in Germany.

Host broadcaster, NRK, of the Eurovision Song Contest 2010 is planning on a special interval act for this year's show. Participating citiesare being selected wherethe organiserswill gather hundreds or even thousands of people who will learn a simple dance which will be filmed during one afternoon and broadcast during the Final of the 2010 Eurovision Song Contest.April 23rd will see the mob gather in Düsseldorf's Burgplatz in Germany.

The nextevent is going to take place on the 29th of April, on the international day of dance. And the chosen place is… Ljubljana, Slovenia!

May 8th sees dance fans flock to London, United Kingdom.

• More information of this special event can be found here.

If you're planning to join, subscribe to the event on Facebook or simply join by surprise! If you're joining, know your moves and check out the instruction videos below:

http://www.youtube.com/watch?v=GfBhLVCJkt0 http://www.youtube.com/watch?v=pQvHnJ_kuqg http://www.youtube.com/watch?v=HNMpbPspGpg http://www.youtube.com/watch?v=XI7x6-SIZqA