On Instagram, Bieber said he was "Gettin better listening to Janice Joplin" in a picture that showed the shirtless singer apparently lounging in a hospital room with a pair of headphones on.

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Christina Aguilera, the other major pop diva to release a single last week, saw her song Keeps Gettin' Better enter at number 14.

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He also sent a picture of himself, via Instagram, lying in what appeared to be a hospital bed with the caption "gettin' better".

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