YouTube duoTim and Fred recently went viral after uploading their reaction to hearing Alicia Keys' hit single Fallin' for the very first time.And Keys, 39, clearly got a major kick out of their reactions as she shared the hilarious YouTube video with her 30.1million Twitter followers on Sunday.Alicia also debunkedTim and Fred's theory that in order for her to produce such flawless vocals she 'must be a robot.''It's not the first time I've heard people call me a robot but I promise I'm not,' tweeted the singer, followed by a slew of laughing emojis.
Reaction-ception: Alicia Keys playfully reacted on Twitter to a video of YouTube duo Tim and Fred listening to her 2001 hit Fallin' for the very first time on Sunday Tim and Fred, whose YouTube.
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