Live quiz #15 'Celebrities'

In 15 minutes, 6 AM (06:00) CET, the first question will appear here. During the day, you will be presented seven pictures from different music videos. This time, the theme is celebrities. Every video has one or more famous persons making bigger or smaller appearances. It's up to you to recognize which videos the celebrities in the pictures are taken from and the artists/groups behind the videos.

The other questions will be posted at:
Question #2: 9 AM (09:00) CET
Question #3: 12 AM (12:00) CET
Question #4: 3 PM (15:00) CET
Question #5: 6 PM (18:00) CET
Question #6: 9 PM (21:00) CET
Question #7: 12 PM (24:00) CET

See you in 15 minutes. Good luck!