Of the rising young stars of the late 00s, Demi Lovato stood out the least for me. At that time, Miley Cyrus was probably the standout, and Selena Gomez had plenty of success too. Both Miley and Selena had their respective Disney shows, which I didn't watch because I was certainly too old for it, but their music did register well. Miranda Cosgrove also released a few great hits that made quite an impression, even though I was really WAY too old to appreciate iCarly. Demi, on the other hand, never really hit my radar in any way.
Fast forward five years. Amongst her peers, Demi is now the one I most respect. This is especially true after Selena did Springbreakers and the 'new Miley' happened. She's the 'last one standing' of the three from Disney, really. But that's not the whole story. She's come through a tough time in life, and is now using her experience to help others. She's speaking out about the reality of drug addiction, whilst the rest of Hollywood just pretends that there isn't an issue about that. She's doing some important work out there, in other words.