Many witnesses around the world reported seeing UFOs, and even a police helicopter in Cardiff had given chase to a UFO after the UFO almost collided with the police aircraft. The helicopter kept in pursuit for several minutes, but had to stop due to a fuel shortage. So, do aliens really exist since there are UFOs?

Here are 13 pictures of celebrities who look like aliens; maybe they were transformed from aliens…who knows?

1. Joe Jackson

2. Sam Cassell

3. Amy Winehouse

4. Michelle Obama
Feel so bad to see her here because she is my favourite celebrity…

5. Christopher Walken

6. Patrick Stewart

7. Paris Hilton

9. Joan Rivers

10. The Pope

11. Chris Henry

12. Rihanna

13. Posh Spice

[via]