I think she's already said that she had collagen injections in her lips. Lip implants are usually done with "bovine collagen" - basically tissue from dead cows.
Imagine kissing
that.
Most women who get facial plastic surgery end up looking remarkably similar - since lips, cheekbones, and tucks are all more or less the same. They tend to end up with the features that Susie has.
Have a look at
http://www.awfulplasticsurgery.com for some features on celebs that might look familiar to anyone looking at Susie.