'It would be weird to have a marriage where things don't go up and down, but we're very happy': Keeley Hawes on 21 years of marital bliss with Matthew Macfadyen and the 'privilege of approaching 50'

She plays a hitwoman on TV and wears high fashion on the red carpet. But as KEELEY HAWES tells YOU, her home life is much more down to earth - as is her guilty pleasure