Olivia Colman and Benedict Cumberbatch have spent the best part of the last year swearing, shouting and sneering at each other.
Their latest roles see them play Ivy and Theo Rose - a wealthy couple once blissfully in love, who now find themselves in a marriage breakdown and bitter divorce battle.
Ironically, the relationship between the two actors couldn't be further from their warring characters - they're actually close friends, having met decades ago in a radio recording studio.
As I sit down with them the morning after the film's premiere, the pair, cups of tea in hand, are gushing over how great the other looked last night.
Colman thanks Cumberbatch for his support the night before as she admits she hates these sorts of events and parties. "If it's my party in my own house with people I know, then I love it," The Crown actress says.
