Need help with the following clues please.
12/13A: A really bright star has vapour sent endlessly out ?U?E?/ ???A (5-4)
22A/14D: Whether more or less at last, alas, you won't get a better one than this ?I?O?/ ??F?? (5-5)
21A:1921 indeed is when she made a state of herself E??? (4)
25A: Such are the marks of marked saints ?T?I?S (6)
Thanks in advance.