It doesn't get much more admirable than Demi Lovato. Not in Hollywood, at least.
The singer, who spent a long time in rehab toward the end of 2010, continues to not just be open about her struggles... but to help those in similar situations as well.
Along these line, Lovato surprised troubled teens this week Levine Children’s Hospital in North Carolina, a visit sponsored by the Ryan Seacrest Foundation.
Watch her offer up some life advice now and remain generally awesome:
Lovato is one of many stars who have been to rehab. Others include: