Twitter pictures: Beyonce tour photos. (Bauer Griffin)more pics »Beyoncé is generally regarded as one of the hardest working entertainers in the world, so it seemed a little fishy when she cancelled her show in Antwerp, Belgium this week citing "dehydration and exhaustion." The singer is but a month into her Mrs. Carter tour, which will blaze on through the summer — provided she can stay healthy.
Knowles offered an apology through her Tumblr, writing that she'd "never postponed a show in [her] life."
The cancellation came amid rumors that the superstar is expecting her second child with her husband of five years, Jay-Z.
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