On Wednesday night's 'America's Got Talent' results show, viral video sensation Rebecca Black performed a mashup of her infamous hit song 'Friday' and second single 'My Moment.'

Black performed the medley with no noticeable auto-tune or backing vocal track. While her voice was admittedly thin and flat, she did manage to carry a convincing tune.

The performance aired on the same night as an interview with Black on 'Nightline,' in which the 14-year-old admitted to leaving school after being bullied over her critically-maligned debut single.

Black is having the last laugh: 'Friday' has racked up an amazing 167 million views on YouTube and 'My Moment' has topped 22 million.

[via AOL TV]

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