It's hard to tell

If any part of the original Steve was still inside her she gave no outward sign of it. Instead of panicking or demanding to be changed back the striking young woman simply walked across the room to inspect herself in the full-length mirror. She moved with a natural poise and grace like she had been wearing heels her whole life, which, in a sense, she had. She looks herself over with a critical eye, brushing an errant piece of fluff from her cleavage. Seemingly satisfied with what she sees she turned back to you.

"Listen, Steve, I can still fix this" you stammered squirming under her cold regard, "I think if I just reset this switch then..."

"No, I don't think so" she spoke for the first time her melodious voice calm and controlled "You've had quite enough fun with that. I think you best give it to me now."

She has the air of someone used to giving orders and having them obeyed. The urge to follow her command was strong but you knew that if you gave up the ray-gun now there was no guarantee you'd ever get it back...