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Singer Adam Lambert has been arrested in Finland amid allegations of a bust-up with his boyfriend.

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The former "American Idol" star is currently on vacation in the country with his Finnish-born beau, Sauli Koskinenn.

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The pair was enjoying a night out at Helsinki gay club Don't Tell Mama, when they were allegedly involved in a scuffle. After being called to the scene, police told The Hollywood Reporter that Lambert and Koskinenn were arrested and taken in for questioning around 4 a.m. over four possible assault charges. They were held for a few hours in separate cells, according to GossiCop.com.

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Other media outlets are reporting that the fight began in a back room of the club, and eventually made its way outside after the men were asked to leave.

Koskinenn was previously a winner on the Finnish version of "Big Brother."