Oscar-winning actor Philip Seymour Hoffman and his longtime girlfriend Mimi O'Donnell are expecting their second child together according to media reports in the US. O'Donnell is reportedly four months along and the baby is due in November (06) according to Us Weekly. The couple also has a son COOPER, who is three-years-old. The pair met in 1999 when O'Donnell was in charge of costume design for the play IN ARABIA WE'D ALL BE KINGS, which Hoffman was directing.