Summer may be winding to a close, but that doesn't stop singer Katy Perry from brightening up her life with a splash of pink hair!

When the blue wig wasn't cutting it anymore, Mrs. Russell Brand turned to coloring her real hair -- and it looks gorgeous! Perry covers October's InStyle magazine, in which she evokes a femme fatale with her cotton candy pink coif.

What do you think of Katy's new hair color -- love it or hate it?