Photon Chat Change Order

I'm using as base Marco Polo demo to make my fps, i'm begginer at arrays and i cant change the order that the lines of chat are displayed. who can help me? chat GUI:

 scrollPos = GUILayout.BeginScrollView(scrollPos);
         GUILayout.FlexibleSpace();
         for (int i = messages.Count - 1; i >= 0; i--)
         {
             GUILayout.Label(messages[i]);
         }
         GUILayout.EndScrollView();