Zac Efron was almost expelled from school for mooning.
The High School Musical hunk claims he was tricked into it by his classmates.
‘We all agreed to pull down our pants at the same time in a Spanish language class,’ he recalls.
‘But I was the only one who did because the others had set me up.’
Zac, 21, was booted out of school and threatened with permanent exclusion.
‘My parents pleaded with the head to take me back and he did,’ Zac told a US chat show.
‘He agreed with mum and dad that I was a dumb follower and not a leader who was likely to succeed.’