Amy Winehouse was rushed to hospital because she was suffering agonising pains from her boob implants.
The 26-year-old singer was kept overnight while doctors carried out urgent tests.
And now, the 'Rehab' singer is waiting to know if she should undergo corrective surgery, or to get the 32D implants removed.
"Amy was in agony and became convinced it was something to do with her boobs," the Sun quoted a family friend as saying.
"She thought she would leave it for a while but the pain got worse. She went into the clinic on Thursday and they kept her under observation.
She is waiting for a decision on whether the implants have to come out or not," the pal added.
A source added: "Amy loves her curves and would hate to have to have them taken out. She is still her bubbly self but she is worried."