The Theory of Everything, about the life of Professor Stephen Hawking, has won the award for Outstanding British Film.
The award was presented by former England football star David Beckham with Professor Hawking and Eddie Redmayne both in the audience at London's Royal Opera House.
The film, starring Redmayne as the pioneering scientist, is widely expected do well at the Oscars later this month.
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.