How old was lili reinhart in riverdale season 1

On 23 September 2026, retrospective discussions regarding the hit teen drama Riverdale continue to highlight the early career milestones of its lead cast. Lili Reinhart, who portrayed the iconic character Betty Cooper, was born on 13 September 1996. When the series officially premiered on 26 January 2017, Reinhart was 20 years old. Production for the first season began in mid-2016, meaning she was 19 when she first stepped into the role of the high school student. The casting of young adults to play teenagers is a common practice in Hollywood, and Riverdale was no exception. Despite being in her early twenties during the filming of the inaugural season, Reinhart’s performance was widely praised for capturing the complexities of adolescence. Fans often revisit these early episodes to appreciate the chemistry between the cast members before the show evolved into its more surreal later seasons. As of September 2026, Reinhart remains a prominent figure in the industry, with her breakout role in Riverdale serving as the foundational platform for her subsequent successful acting career.