Angelina Jolie is reportedly pregnant. The Oscar winning beauty who has an 18 month old biological daughter Shiloh, as well as three adopted children, Maddox, six, Pax, three and two year Zahara, with partner Brad Pitt, cancelled a lecture she was to give at the UN linked Pio Manzu cnetre, near Rimini, Italy due to "personal reasons".

Italian newspaper claims that the actress, who is a UN ambassador had to pull out at the last minute because she had discovered she was expecting. Letizia Manjani, a spokeswoman for the centre refused to rule out a pregnancy.

She said "Angelina cancelled las week. Due to her privacy. I can't confirm her pregnancy, but I can say that the Italina newspapers are correct in their reports."

Jolie and Pitt have made no secret of their desire to add to their family. Pitt recently revaeled that they were keen to welcome a fifth child into their family. He said " It's the most fun I have ever hand and also the biggest pain I have ever experienced. I love it and can't recommend it any more highly. Although sleep is non existent we are ready for it.