Adam Lambert and his boyfriend, Sauli Koskinen, were recently arrested in Finland following a confrontation near a gay bar.
The 29-year-old glam rocker says he learned his lesson and is "laughing" about the incident.
Lambert and his boyfriend, Finnish reality star Sauli Koskinen, were both detained early on Thursday, December 22, outside of the DTM club in Helsinki, according to local broadcasting service YLE.
"Jetlag+Vodka=blackout," Lambert Tweeted. "Us?blackout=irrational confusion. jail+guilt+press=lesson learned. Sauli+Adam+hangover burgers= laughing bout it. :)"
YLE said Lambert and Koskinen got into "heated exchange" that "led to blows" around 4 a.m. and were taken to separate jails, where they spent the night. It quoted police source as saying "Lambert also assaulted several bystanders." Both were later released from custody and no charges were filed.
"Publicity is not easy," Koskinen, a 26-year-old former local "Big Brother" winner, said on his blog on Thursday. "But celebrities are only human, people. Love is not easy but it is forever! Hey, the evening was pretty funny and an unconscious hangover suddenly goes away! Yay! By the way, paparazzi ... Go home already!"
Lambert arrived in Helsinki several days ago. He Tweeted on Wednesday, in Finnish: "Helsinki is a beautiful city full of beautiful people! Thank you!"
Lambert, who came in second place on "American Idol" during in 2009, is currently promoting his new single, "Better Than I Know Myself" (listen to it here). The song was released digitally on December 20 and hit the No. 1 spot on Finland's iTunes chart.
His second studio album, "Trespassing," is set to hit stores on March 20, 2012. Lambert says the record showcases "an exciting journey through the past two years of my life," according to a statement from his record company, Sony Music Entertainment.
"It's been a transformative period and I really wanted to make music from what I've experienced," he added. "All these songs honestly explore the ups and downs of my reality."