Dean McDermott is speaking out loud and proud! During a film screening of his new movie My Fake Boyfriend at The Castro Theatre in San Francisco on Saturday night, Dean took a moment to thank and acknowledge his children in the audience — and, in doing so, provided an important update on how his 15-year-old, Liam (left), identifies!

He shared via an Instagram Story captured by his eldest son Jack: Amazing!

The audience broke out into applause for that reveal, too. So sweet! Related: Rebel Wilson Speaks Out After Being Forced To Come Out With Girlfriend The actor went on to express his love for the movie and his kids, adding: Aw!