The 85th Academy Awards, commonly known as the Oscars, have been held in Hollywood.
It had been billed as one of the most unpredictable ceremonies for years, with hot competition between Lincoln, Argo and Les Miserables.
First Lady Michelle Obama announced that Argo had won Best Film.
Presidential biopic Lincoln had 12 nominations. Daniel Day-Lewis won an historical third Oscar of his career for his portrayal of Abraham Lincoln.
Best Actress went to Jennifer Lawrence while Anne Hathaway took Best Supporting Actress for her role as the tragic factory worker Fantine in Les Miserables. Christoph Waltz won his second Oscar for best supporting actor in a Quentin Tarantino film, this time Django Unchained.
British singer Adele won the Oscar for best original song for her Bond theme Skyfall.
The French language film Amour has won best foreign film, while this year’s competition saw the oldest ever best actress nominee – 86-year-old French actress and leading lady Emanuelle Riva.
The ceremony has been televised live to more than 225 countries.