Riverdale star Lili Reinhart has revealed that she is a “proud bisexual woman”.

The actress shared the information on Instagram, saying she has “never announced it publicly before”.

She posted the message alongside an image advertising a protest titled West Hollywood LGBTQ+ For #BlackLivesMatter.

The MET Gala 2018 – New York
(Ian West/PA)

She wrote: “Although I’ve never announced it publicly before, I am a proud bisexual woman.

“And I will be joining this protest today. Come join.”

Reinhart, 23, stars as Betty Cooper on the popular teen drama Riverdale.

She reportedly split from her co-star on the series Cole Sprouse last month.