In 2016, Dekker made her feature film debut as Yvette Verwey in
Jou Romeo. This was followed by further film roles as Older Zettie in
Raaiselkind and Face in
Vaselinetjie the following year. She made her television debut in the thirteenth season of the
M-Net soap opera
Binnelanders, which aired in 2018. She starred in the 2019 films
Liewe Lisa as the titular character and
Toorbos as Karoliena Kapp. For the latter, an adaptation of the novel by
Dalene Matthee., Dekker received a
SAFTA nomination for Best Actress in a Film. She also appeared in
Vergeet my nie. Dekker had her first solo art exhibition in February 2021, and her second
Wild in September 2021. She joined the
Society of Children's Book Writers and Illustrators (SCBWI). She returned to acting with a role as Christine in the 2022
Netflix historical action thriller film
Silverton Siege. She co-wrote and starred in the 2024 murder mystery
Die Bloedhonde as Katrien, directed by Stiaan Smith. She described it as a "deeply personal" film for Smith and herself. ==Personal life==