A prescription for happiness

Freeing herself from the fables and confabulations that keep much of Hollywood awash in fantasy, Dolly Parton kept it refreshingly honest, and, ironically, real.

Appearing at UCLA's #WOW mental health summit hosted by Lisa Kudrow, she offered a rather more clinical explanation for her famously sunny disposition.

She said: “I'm often told I look so happy, but to be honest ... that's the Botox. Well not all of it, but some of it anyway!"