Miley Cyrus vows she won’t end up like Britney Spears or Lindsay Lohan.

“The last thing I ever want to do is disappoint my parents,” she tells May’s Glamour. “My mom’s dad died when she was 18, and if something ever happened to one of my parents, I’d want them to go knowing I made them proud. I think it’s selfish to go out partying all the time, especially if you have little ones [in your family]….