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After the new princess of pop almost collapsed on stage in March and canceled multiple shows due to "exhaustion," her friends and family became concerned...

Now Lady Gaga, 24, has confirmed that "yes," she has been tested for lupus. "It's a very personal thing," Gaga tells The Times of London. "I'm very connected to my aunt, Joanne, who died of lupus."

While the singer keeps insisting that she "doesn't want anyone to worry," she also talks about having "heart palpitations" and "trouble breathing."

And yes, lupus is genetic. Interesting to note - the date of her aunt's death (1976) is woven into her Rilke tattoo on her arm.

Suddenly all the drama surrounding her recently makes sense. We wish her the best during this difficult time...

UPDATE! A rep for Lady Gaga confirms that she tested negative for lupus. So good news for now!