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It would seem that any collaboration between two of pop music's most beloved stars would bring nothing but happiness, however, opinions can be drastically different at 3:00 a.m. than they are during daylight.
The impromptu at-home concert all went down when Bieber dropped by Horan's London apartment recently. Apparently, the moment moved them to start playing music ... much to Naill's neighbors' chagrin.
"We have a great time together. I went over to Niall's house the other day. Think we pissed people off a little bit," The "Baby" hitmaker said.
''We were making a little jam session at three in the morning and he lives in this apartment. So there's people underneath him and we were playing really loud and all the sudden we hear 'bang, bang, bang' on the door and this guy shouted, 'Keep it down.' It was crazy.''
Certainly Justin and Niall are more used to people begging them to keep playing than insisting they stop. Perhaps the pair simply needs to stick to more reasonable practice times!
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