06/02/2008 AT 02:35 PM EDT
Celine Dion has described Josh Groban's instrument as "the voice of an angel" – and the 27-year-old crooner has no trouble maintaining an equally wholesome image. But in a new Details interview,
Groban reveals a wild side – sort of – while reflecting on a hazy trip to Amsterdam. While playing poker with his bandmates, the singer asks, "Hey, do you remember, in Amsterdam, like, how funny
bowling got all of a sudden?" As his bandmates crack up, he continues: “We were in that café – um, for coffee.
And, um, it was on TV and we're like, 'Oh, bowling's on!' And then, like, an hour later we were like, 'Look at the way they're squatting!'"
– Brian Orloff
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