Lady Gaga Hospitalized For Altitude Sickness (PHOTO)

Lady Gaga was rushed to the hospital for altitude sickness on Wednesday.  







Gaga, 28, announced the news on Instagram, sharing a selfie in an oxygen mask.

Mother Monster, who went to the hospital after her gig in Denver, captioned the image: "Altitude Sickness is no Joke! #hitThatHospitalSh– #artRaveDenver many true ravers crowd tonight."


Check out the selfie below…

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