At Roland Kaiser's anniversary show: Giovanni Zarrella surprises with a swipe at Dieter Bohlen. Roland Kaiser (71) celebrates his stage anniversary with the who's who of German hits.

Among others, Melissa Naschenweng (33), Kerstin Ott (42), Maite Kelly (44) and Thomas Anders (60) are on the big ZDF stage. Moderator and good mood guarantor Giovanni-Zarrella, of all people, breaks the mood and suddenly shoots against DSDS boss and pop titan Dieter. Bohlen has not yet commented on the incident.