Maria Callas in Princess Grace biopic
HELLO! reports that Paz Vega will portray Maria Callas in a forthcoming Princess Grace biopic. Olivier Dahan (La vie en rose) will direct, and Tim Roth and Nicole Kidman have been cast as TSH The Prince and Princess of Monaco.
I know nothing about Paz Vega, and La vie en rose seemed to me a big melodramatic mess despite the remarkable performance of Marion Cotillard as Edith Piaf.

I’m not excited at the prospect of this biopic, but I do like the coiffes in this photograph.
Your guess on Callas: a wig or hairpiece, or had her hair grown back by 1964? (She cut it in 1959.)
I have no idea, but ladies back in the day really liked wigs. Nowadays who wears them besides the Ga?