According to the official site, "BAMBI pays homage to the heroes of our time who have touched and inspired us with their actions, talents and visions".
Olly Murs was conscpicuous by his absence.
Gaga performed 'Marry The Night' using a hybrid sports car piano, while Justin sang 'Mistletoe' in an extravagantly-collared white jumper.
Although Gaga may have missed a trick by not performing the sort-of-Deutsch 'Scheibe', Justin seems to have successfully moved on from last year's "German? I don't what that is" confusion.