She has also shot two consecutive campaigns for Jo Mercer, an Australian Shoe label, alongside Samantha Harris. As of 2020, Monaghan has featured in the 2020 Maybelline campaign alongside Christy Turlington and Emily Didonato, which was shot by Alexi Lubomirski. She is the second Australian model to do a Maybelline campaign. She has also worked for Giorgio Armani, Tom Ford, Christian Dior, Gucci, Elle Magazine, Vogue Netherlands, Russh, Harper’s Bazaar, and Givenchy.