The Sims 2 enjoys recasting my Sims story (and stealing eyebrows). I loaded the lot and, on two separate occasions, was greeted with these wrong faces. I fixed it and all is well again.
digitaldollies That sim is so unique, I'm digging the look. I hope it doesn't bother you if I ask where you got the shades, I've been sort of hunting for some like those for a while now.
If you’re talking about Ivy (the one with the white hair and black/blue skin) or Pear, I got the skintones from Pinketamine’s Pooklet’d skintones here: