Move over Miley Cyrus, BGMTs Stephen Mulhern has been taking twerking lessons with one of our dancing acts - Katie May OHanlon. Warning - you cannot .\r
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BGMTs Stephen Mulhern finds out how hard it is to master a canine trick. See more from Britains Got Talent at SUBSCRIBE: .\r
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Stephen Mulhern loves catching up with Ant and Dec backstage. Hi guys! See more from Britains Got Talent at SUBSCRIBE: .\r
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Stephen Mulhern asks David Walliams to show off his signature dance move backstage at Britains Got Talent. Alesha Dixon almost spits out her dinner and .