Katy Perry and Markus Molinari are following in Justin Timberlake’s footsteps, taking on the dance moves of Beyonce Knowles’ new release ‘Single Ladies’. The dancing proved a bit to much for Katy, who fell down at the end of the clip. Watch it below.

Beyonce gurl you are diong your thing when,you are in those high heel shoes.How can you do that?