Can anyone identify that script font is used for the "B" in believe? If it's a font that is not free, what is an available clone? Thanks in advance.

ITC Edwardian Script  Suggested by skomii 

I don't know a free similar, but you can enter here: http://www.dafont.com/theme.php?cat=601&text=B&fpp=50&psize=l and see a lot of beautiful stuff!