Justin Bieber continues his Music Monday series with "PYD," a collaboration with R. Kelly. Once again, Bieber demonstrates his growth as an artist and the R&B influence that is seeping into his music. "PYD" finds Bieber and Kelly talking about love, but in a more sensual way compared to previous Music Monday releases. Meanwhile, Kells' is following up his big Saturday Night Live appearance with Lady Gaga, as he gets ready to release his own album, Black Panties, next month.

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