Kian Lawley launched his personal YouTube channel, superkian13, in 2010. Lawley has also been a part of collaborative YouTube channels, including Our2ndLife. Lawley shares the YouTube channel "KianAndJc" with fellow YouTuber JC Caylen. Lawley's first role in a feature film was in the 2015 film The Chosen. Lawley went on to feature in the films Shovel Buddies (2016), Boo! A Madea Halloween (2016), Boo 2! A Madea Halloween (2017), Before I Fall (2017) for which he won a Teen Choice Award, and Monster Party (2018). In 2017, Lawley worked with Caylen on their show H8TERS and starred in the Daytime Emmy Award winning first season of "Zac & Mia". In 2018, footage of Lawley resurfaced in which he used racial slurs, leading to his role in The Hate U Give being recast, and to him being dropped by his talent agency, CAA.