The DIY musician said she felt her ex was "unhappy with woke people" when he made a series of tweets spreading misinformation about the trans community.
The superstar shared the message from a sign held up by trans drag artist Candace Persuasion during a recent show.
The "Bad Habit" singer said that he doesn't intend to speak for the entire LGBTQ community, and instead takes a "selfish perspective of myself in the world."
Earlier in the week Beyoncé paid tribute to Sibley, a Black queer dancer who was fatally stabbed outside of a Brooklyn gas station on July 29 while vogueing to Renaissance.
Plus new tracks from Teddy Geiger and Durand Bernarr
The singer-songwriter talks about her upcoming solo LP, her new single "Never Enough," and discovering her artistic identity.
Plus new tracks from Shamir, Kidd Kenn, MAY-A and Jaboukie.
"I don't want to work for a company [or] represent something that doesn't support who I love," she said.
"It is better, both for me, and for the people I care about, including my fans, to live life authentically than to live a life never accepting who I truly am," the star wrote in an Instagram post.
The "Rush" singer says some people were kind, but others made violent threats.