Lady Gaga canceled a string of gigs over the weekend, just hours after she was deemed fit to perform on the "Oprah Winfrey Show."
The "Poker Face" hitmaker scrapped a show at Purdue University in Indiana on Thursday after collapsing as she prepared to take the stage.
She was later diagnosed with an irregular heartbeat and took to her Twitter.com page to apologize to her supporters, insisting she was devastated by the cancellation.
The singer was back on stage just a day later on Friday after she was given the all clear to travel to Chicago, Illinois to sing live on Winfrey's TV talk show.
But fans were in for more disappointment when the star subsequently canceled her show in Atlantic City, N.J. on Saturday night and her planned gig in Wallingford, Conn. on Sunday. She also postponed Monday's concert in Uncasville, Conn. with plans to announce a rescheduled date.
Lady Gaga also pulled out of a planned gay rights charity gala which she was due to host in Atlantic City on Saturday.
A statement on the star's website claims she has been ordered to rest by doctors.
It reads, "Due to exhaustion and dehydration, Lady Gaga collapsed and passed out before her show last night in West Lafayette, Ind. Her physician has advised her to take a few days off to rest."
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