pbr Angelina Jolie says she would not rule out marrying her boyfriend Brad Pitt one day.br ppbr Those hoping to see the ultimate celebrity wedding soon will be disappointed though, as the actress claims that after five years together, she and Brad already feel married.br ppbr The couple already have three adopted and three biological children, all of whom have their own very distinctive personalities according to Angelina.br ppbr She told Vanity Fair: "Children are clearly a commitment, a bigger commitment. It's for life."br ppbr The 35-year-old recently visited earthquake orphans in Haiti in her capacity as a United Nations Goodwill Ambassador.br ppbr The trip fuelled speculation that the couple might be on the verge of adopting another child, but Angelina insists they have no immediate plans to add to their family.