Baby rumours intensify: Jay Z hints Beyonce expecting baby number 2

Whilst performing on their On the Run tour, he rapped, "Cos she pregnant with another one", giving a hint that his singer wife might be expecting a second child - a potential sibling for their two-and-a-half-year-old Blue Ivy.

US rapper Jay Z sparked rumors of wife and singing superstar Beyonce's pregnancy with second child after he changed the lyrics of his hit song Beach is Better whilst performing on On the Run tour in Paris.

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The Holy Grail hitmaker rapped "Cos she pregnant with another one", giving a hint that his singer wife might be expecting a second child - a potential sibling for their two-and-a-half-year-old Blue Ivy, the Mirror reported.

Sources said that the 44-year-old rapper had been very protective of Beyonce, just like he was when she was expecting Blue Ivy.

The duo's fans even congratulated the pair on Twitter.