Although she did not win the Elite Model Look contest, she gained representation from her participation.[3] As she was still 15 years old, she had a growth spurt of 140 millimetres (5.5 in) which helped her career prospects; soon afterwards she began working with Chanel.[1] During her first season she walked for Vivienne Westwood and opened her show.[7] In 2017, she appeared in Self Service magazine photographed by David Sims,[8] and walked for Celine's last collection designed by Phoebe Philo before her resignation. In 2018, Rohner appeared in a watch advertisement for Marc Jacobs alongside people including Bria Vinaite.[9] She also opened Mugler's S/S 2019 show.[10] For the S/S 2022 Chanel show, a large photograph of her appeared on the backdrop of the runway as an homage to fashion photographers, as well as her opening the show.[11][12][13] Just two months later, in December 2021, she opened the brand's annual pre-fall Métiers d'Art show.[14] For Chanel's F/W ready-to-wear advertisement campaign, also featuring Rianne Van Rompaey, Mica Argañaraz, and Louise de Chevigny, she was photographed by Dutch duo Inez and Vinoodh.[15]
Rohner currently ranks as one of the "Top 50" models on models.com.[16] Rohner appeared on the cover of the March 2021 issue of Vogue México, dubbed the "Creativity Issue".[17] She has also appeared on the cover of Vogue Netherlands.[18]