Brettkelly's 2018 film,
Yellow Is Forbidden, premiered In Competition and Opening Weekend at Tribeca Film Festival. The film was selected for both the Best Foreign Language and Best Documentary sections of the
Oscars.
Vogue Magazine noted it as a,
"film that is … a celebration of how extraordinary women are", while the
Sydney Morning Herald called it,
"[a] deliciously intimate film ... a near visceral experience". The film follows the rise of talented Chinese haute couturier Guo Pei. In an article, Rebekah Brammer describes the documentary as depicting the meticulous images of magnificent gowns, intimate footage, insightful interviews, culture clash, craft and aspiration, and the grueling labor behind high fashion. while
Indiewire writer Eric Kohn called the movie an
"eye-opening documentary ... a moving navigation of Afghanistan’s past and present". A Flickering Truth was selected as the New Zealand entrant for the 2016 Best Foreign Language at the Oscars. Brettkelly said about the film, "When I first went to Afghanistan, I found the people so different from what I have been fed through media and reportage," and thus, her mission became to tell a story that completely altered awareness of Afghans. In 2012, Brettkelly's
Māori Boy Genius premiered In Competition at Berlin Film Festival. It follows a boy named Ngaa Rauuira Pumanawawhit, after he's accepted into Yale summer school. Brettkelly met Italian artist
Vanessa Beecroft when filming in Sudan after the end of one of the longest running civil war in African history. Beecroft is famous for her provocative
performance art, and while in Sudan for a project had decided to try and adopt motherless twins. Brettkelly eventually followed Beecroft's adoption efforts over 16 months, which formed the basis for
The Art Star and the Sudanese Twins.
Still in Motion (magazine)'s editor posited,
"I felt I was in the hands of a master storyteller." The film won Best Editing in the World Documentary section of the Sundance Film Festival. Her
Beauty Will Save The World (2003)'s World Premier
American Film Institute Film Festival in Los Angeles. Brettkelly's website describes the film, "
Beauty Will Save The World follows the exploits of 19 year-old Teca Zendik, the American contender for the crown. She sets out with her political loyalties in check, even refusing to wear the competition uniform – a teeshirt emblazoned with Gaddafi's likeness. How then does she assume the position of honorary consul to the US for Libya in a mere matter of months? Marvel at how diplomatic ties are re-established between two nations, enjoy the behind-the-scenes antics of a beauty pageant, and seize the chance to see rare footage of Gaddafi himself in this accidental political documentary." == Style and themes ==