West Ham's squad let their hair down to celebrate Manuel Lanzini's birthday in Marbella on Friday night.
Manuel Pellegrini's side are not in action until the welcome London rivals Fulham on January 22 and they have taken advantage of the chance to get away for some warm-weather training.
The Argentine was presented with a cake by his team-mates at a squad dinner before Felipe Anderson stepped up for some karaoke as he gave his best rendition of club anthem 'I'm Forever Blowing Bubbles' to the delight of everyone else.
The Brazilian winger has been one of the club's stand-out performers this campaign and he showed he can translate his confidence and swagger to the microphone as team-mates quickly recorded the footage.