Justin Bieber admitted he is a big fan of the Spanish champions, although he was unable to attend their 5-1 drubbing of Shakthar Donetsk in the first-leg of their Champions League.
The pint sized performer played alongside Thiago and Benja as the three came up against the singer's friend, Bojan and Fontas with Barcelona's B team 'keeper between the sticks.
Footage of the training session appears below, with Justin Bieber showcasing some surprising skill in Barcelona's all-green training kit.
