I was on the official website over the weekend and a few people posted that Alex left on her own accord. The reason was not very clear. One person stated, after speaking to some of the home owners, they said she would pull tantrums behind the scenes, maybe she wanted the moon and the stars and TLC wouldn't give it to her- so she left? That is my speculation. Paige is OK, but she is definitely an Alex clone. They are built the exact same way and I think she is trying to be too much like Alex rather than trying to make the part her own. The one thing she doesn't do is harp on the time and budget aspect of the show. That's very nice!