Boyhood, which starred Ethan Hawke, Patricia Arquette and Ellar Coltrane has won the Bafta best film award and best director for Richard Linklater.
Eddie Redmayne was given the leading actor honour for his role in The Theory of Everything which was also named outstanding British film.
Richard Linklater has won the Bafta for best director for his film Boyhood.
Actor Ethan Hawke collected the award on behalf of his friend and said Linklater would be "frankly p*****-off" to have missed the awards.
He thanked the child stars at the heart of the film and said: "There is no one in this room who loves cinema more than Richard Linklater."
US actresses including Leading Actress award winner Julianne Moore chose to wear British designers at tonight's Baftas.
The British Academy Film Awards, better known as the Baftas, are being held tonight. Here are some key figures about the ceremony.
Jack O'Connell from Derby and Felicity Jones from Birmingham are hotly tipped for BAFTA success tonight.