Timbaland is about to become a father, it has been claimed.The hip-hop mogul is reportedly expecting a baby girl with a woman who works for his record label Mosley Music Group.A source said: "They are not a couple but Timbaland has promised to be involved in the child's upbringing. "He's very excited about the baby and has been very supportive to the mother."The baby is said to be due at the end of November, although no other details have been revealed. A representative for Timbaland refused to comment.The 36-year-old star - real name Timothy Mosley - is currently working with Madonna on her new album, due out next year.Timbaland - who joined Justin Timberlake on his 'FutureSex/LoveShow' tour this summer - has previously been romantically linked to Nelly Furtado.He masterminded her worldwide hit album 'Loose', and the pair were believed to have grown close while making the record.