But the music video for her legendary hit single 'Like A Prayer' was outrageous and universally banned. The Pope himself spoke against it - he also forbade Madonna to enter the Vatican and called a boycott of Madonna's music. But this only generated interest, and finally made 'Like A Prayer' one of the best selling single of all time. Today the music video is regarded as the second greatest music video of history, behind Michael Jackson's 'Thriller'. Sexually explicit and bordering on porn, this video was banned by MTV and most other music stations.