Watch Robin van Persie sing Glory Glory Man United and Shinji Kagawa blast out his own unique version of PSY’s Gangnam Style at the Manchester United Christmas party.

Held at Rio Ferdinand’s Rosso restaurant, the gathering seems to have been a success… if the karaoke performances and reviews are anything to go by.

Watch as star signing Robin van Persie sings Glory Glory Man United and shows his loyalty to the club:

Plus, see Japanese midfielder Shinji Kagawa perform Gangnam Style:

Rio Ferdinand loved Kagawa’s performance, tweeting his pleasure:

Kagawa is one funny guy! Made my night last night with the song he sang for the lads! Classic!

— Rio Ferdinand (@rioferdy5) December 16, 2012