According to E! News, "multiple sources" have confirmed that Beyoncé and Jay-Z are expecting their second child. That would do something to explain the whole doctor-ordered-rest thing from earlier this week:

Rumors first began churning that the Grammy winner was with child when, earlier this month, she walked the red carpet at the Met Gala wearing a custom-made Givenchy gown that deftly concealed her stomach, its bodice cinched high above the waist just as its intricate pattern made it difficult to discern any change in her silhouette.

Speculation then went into overdrive Tuesday after Beyoncé was forced to cancel her Mrs. Carter Show performance in Antwerp, Belgium, after doctors advised her to rest "as a result of dehydration and exhaustion."

Read more at E! News.