User blog comment:7-45 Fire/The Roxy question/@comment-29197449-20170622025225/@comment-31892545-20170622033840

It's evident when leading at S5-7. She doesn't earn a new transformation, she stays in the background S5-6, and in Season 7, she gains a "Daphne" roll - a stand in, if you will. Not a Winx, but someone who helps the Winx. There's nothing "official", but one can pick up on it.