Hằng Hằng is the founder of the Phú Lãng Sa Collective, a community of emerging Vietnamese artists based in Europe. In 2025, she was awarded the Dogma Prize, under the mentorship of Bill Nguyễn (Nguyen Art Foundation), and presented her first solo exhibition at Galerie BAO (Paris). Her work has also been shown at the Setouchi Triennale at the Kagawa Museum (Takamatsu), the Linden Museum (Stuttgart), POUSH (Aubervilliers), as well as at Documenta 15 (Kassel), within the “Emerging Artists” program of the Nhà Sàn Collective in Hanoi.
In 2023, she took part in Common Stories, a mobile laboratory exploring diversity in European performing arts, held at MC93 (Bobigny), Riksteatern (Stockholm), D-Caf (Cairo), and Alkantara (Lisbon). In 2024 and 2025, she is developing her theatrical performance Carrée Arrondi at MC93 (Bobigny), A-Turma (Porto), DOC (Paris), and Kunstencentrum BUDA (Kortrijk).