Robbie Williams
After the less-than-stellar reception of his 2006 album 'Rudebox', Robbie Williams took a three-year break from music and spent much of his time looking for UFOs and proof of alien life.
The former Take That singer had been recording a track called 'Arizona' about alien contact when the visitation occurred.
He said: "I stood on the balcony and there was this big ball of gold light that turned up.
"We thought it was Venus or Mars or something. Then the song stops playing and it disappears. But then we put 'Arizona' on again and the ball turned back up. It happened four times."