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The Capital Late Show With Marvin Humes 10pm - 1am
7 November 2011, 11:30
The dance duo were impressed by the 'Mistletoe' singer at the MTV EMAs.
LMFAO have said they believe Justin Bieber is a "party rocker".
The duo of Redfoo and SkyBlu, whose biggest hit is called 'Party Rock Anthem', were among the guests at last night's MTV Europe Music Awards (EMAs) in Belfast.
Speaking on the pink carpet, LMFAO paid tribute to both Lady Gaga and Justin, who dominated the ceremony taking six awards between them.
"It's amazing. She got some awards and stuff," the pair told Capital FM Showbiz reporter Kevin Hughes about Lady Gaga's success.
"Justin got a couple awards. Bieber's the man. Bieber's a party rocker forever. Bruno Mars was shufflin'. It was a fun, wild party."
Lady Gaga was the big winner in Belfast, taking home four EMAs, including Best Song and Best Video for 'Born This Way'.