Ruby Rose Langenheim (born 20 March 1986) is an Australian model, actress, and television presenter. Rose came to attention as a presenter on MTV Australia (2007–2011), followed by several high-profile modelling gigs, notably as the face of Maybelline New York in Australia. In addition, she has co-hosted various television shows, most notably Australia's Next Top Model (2009) and The Project on Network Ten (2009–2011).
Rose pursued a career in acting from 2008 onwards. She had a small role in the drama Around the Block (2013), and came to global attention for her role in season three of the Netflix series Orange Is the New Black (2015–16). She also had large roles in the action films Resident Evil: The Final Chapter (2016), XXX: Return of Xander Cage (2017) and John Wick: Chapter 2 (2017) and co-starred in the musical comedy Pitch Perfect 3 (2017) and the monster film The Meg (2018). She currently stars in the Arrowverse television series Batwoman as Kate Kane / Batwoman.