I agree with what Grenn-O said. Just her writing her own songs. She definately has the writing skills, I think she is just scared to wander off so she relies on co-writers.
168. This Is How It Goes Down
169. Glitter In the Air
170. Ave Mary A
171. It's All Your Fault
172. Mean
173. Crystal Ball
174. Funhouse
175. Bad Influence
176. Please Don't Leave Me
177. One Foot Wrong
178. I Don't Believe You
179. Sober
180. So What
400. Try