'They have tried to make a go of it, but it comes down to the fact that Sienna can't trust Jude,' said a source close to Law. 'She really thought their relationship was something special and was completely in love with Jude. But Sienna can't forgive Jude's betrayal - particularly as at the same time he slept with the nanny he was trying to convince her to have a child with him. Jude has done everything he possibly can to try to win her back.