Cuddy left House for good after the Season 7 finale. Through the show, Cuddy was engaged to someone else, and House battled with his pain medication addiction. She wouldnt go all in with him unless he got clean, which he eventually did to be with her.
Does House end up with Cuddy?
After a tumultuous stab at a mature relationship in Season 7, Cuddy dumps House after a cancer scare which House cannot bring himself to confront without the aid of his old friend Vicodin. Cuddy realizes that House is not and probably never will be ready for a real relationship and ends it.
Did House ever sleep with Cameron?
Although Cameron has stated that she is over House, neither her colleagues (nor Wilson or Cuddy) believe her. Both characters retain an ambiguous interest in the other. She nervously answers that humans are complicated, leading Chase to believe that she in fact did sleep with House.