The note stated: 'I can't stop the rumors from starting, and I can't really change peoples minds who believe them, all I can do is sit back and laugh at these low life people who have nothing better to do than talk about me.' he message has since been removed from her Instagram account.
Suspicions were first sparked by the careful camouflage of the Givenchy gown the singer wore to attend the Met Ball in New York.
The high waisted bodice with a detailed pattern made it hard to see the superstar's actual shape. But it was when the Destiny's Child alum had to cancel her Mrs. Carter Show performance in Antwerp, Belgium on Tuesday citing 'dehydration and exhaustion' that the rumour mill went into overdrive.