Actress Lisa Rinna transforms into Justin Bieber to perform "Baby" and give everyone some Bieber Fever in this clip from ABC's "Sing Your Face Off".
Watch her channel Katy Perry.
China Anne McClain sings Rihanna's hit single "Diamonds".
After rocker Sebastian Bach's performance as Lady Gaga, guest judge RuPaul Charles calls him out on his walk. But when Sebastian asks to see how it's done, he gets more than he bargained for!
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