He/him
I seriously doubt that will ever be possible. Leona's voice deteriorated over several years, with very little signs of improvement ever since. Her voice can sound extremely damaged sometimes and she has almost no access to her full belting register anymore.Ah ok, that’s tough. Though like Kelly with a bit of training she could surely get back to near what she had before.
I think with Leona, chronic fatigue has been a byproduct of her thyroid issues, which causes her to be prone to illness. All of these things will just have a constant negative impact on her voice.