Scarlett Johansson and Matthew McConaughey received Best Actor and Best Actress awards at the 2013 Rome Film Festival.
The 44 year-old actor won an award for his Oscar tipped role in 'Dallas Buyers Club' where he plays an aids activist from the 1980s.
McConaughey plays a Texas Cowboy called Ron Woodroof, who is HIV positive in the early days of the AIDS epidemic.
When Woodroof was diagnosed with HIV he was given 30 days to live and, receiving little help from the government or his acquaintances, attempts to find treatments from across the globe.
Along the way he encounters other HIV positive people and discovers a way to ensure these people could buy treatment.
The 28 year-old actress received an award for her role in Spike Jonze's 'Her', a part that required only her voice as she plays a computer operating system in the not too distant future.
Joaquin Phoenix plays lead character 'Theodore Twombly', a complex and passionate man, whose career consists of writing touching, heartfelt letters for other people.
The love story takes a unique turn when after his character download's a new "operating system" named Samantha (Johansson) who has the power to evolve.
The Best Film award went to a documentary titled 'Tir'. Albert Fasulo's piece depicted a Bosnian truck driver who failed to get work as a school teacher.
It was the first Italian made film to win Rome Film Festival's top prize.
'Dallas Buyers Club' also took home the Audience Prize at Saturday's ceremony.
McConaughey won Best Actor at the Rome Film Festival
Johansson won Best Actress at the Rom Film Festival