Demi Moore, other celebs Tweet reactions to the 10th Anniversary of 9/11

1 of 17: Lauren Conrad wrote on her personal blog, 'I would like to take today to remember and honor all those affected by 9/11. My heart goes out to all the victims and their families. And thank you to all the heroes who sacrificed their lives on that fateful day.' (Pictured: Lauren Conrad appears in a promotional photo from her official website.) ( Photo / LaurenConrad.com)