[6] Her father, Dally Messenger III, is an author, noted for his general contribution to the Australian civil celebrant movement.
[15] Johns-Messenger has been curated into international group exhibitions alongside artists Dan Graham, James Turrell and Lawrence Weiner.
[17] In 2007, she won the Den Haag Sculptuur Rabo Bank Prize[18] presented to her by Queen Beatrix of the Netherlands, and in 2005 Johns-Messenger won the Melbourne Prize for Urban Sculpture with her then collaborative group OSW, Open Spatial Workshop (Bianca Hester, Scott Mitchell and Terri Bird), for their sculpture groundings.
[19] Other exhibitions include Yellow, 2011, at ACCA, The Australian Centre for Contemporary Art, Melbourne; Through to You, "Freedom-American Sculpture" The Hague (Den Haag), The Netherlands; Of Water, 2008, Gallery of Modern Art (GOMA), Brisbane; ISCP Open Studio Exhibition, ISCP, New York and Trappenhuis (Stairwell) Installation, Den Haag Sculptuur, Escher Museum, Netherlands.
[20] Due to run from 28 February to 12 June,[21] the exhibition was cut short by the closure of the Samstag in March 2020 owing to the COVID-19 pandemic in Australia.