(Cover) - EN Showbiz - Nick Cannon has been talking to a baby astrologer ahead of the birth of his twins with Mariah Carey.

The rapper and his superstar spouse Mariah, 42, are due to become the parents of a boy and girl any day now.

The American star who recently penned a rap song in honour of his unborn twins has been open about how much he is looking forward to meeting the new arrivals and has decided to speak to an astrologer about the babies.

Having a baby astrology conversation next on @923nowfm. Does it matter what sign our children will be? (sic), he wrote on his Twitter page.

The 30-year-old married singer Mariah in April 2008, and the twins are the first children for the couple.

Nick who has previously revealed he needs to man up in preparation for the labour - left an event promoting his show Americas Got Talent on Friday night which sparked rumours that his singer wife had already gone into labour. (C) Cover Media