Joaquin Phoenix and Lady Gaga dance through chaos in Joker: Folie A Deux trailer

Joaquin Phoenix and Lady Gaga sing and dance together in the latest trailer for Joker: Folie A Deux (Warner Bros/PA)

Joaquin Phoenix and Lady Gaga sing and dance together in the latest trailer for Joker: Folie A Deux.

The film will see Phoenix reprise his Oscar-winning role as the titular deranged villain, The Joker, opposite Gaga as the queen of chaos, Harley Quinn.