A Star Reborn: The Queen’s Return

Briefly about A Star Reborn: The Queen's Return manga:

She was the reborn queen, but due to her rebirth, she had to start from scratch, reappearing in the world as a part of poor commoner trainee. Over her past life's glory? Who cares! That's not important. What's important is that she's a beautiful genius singer. She was mocked because she came from birth blood? It doesn't matter at all! She has true identity of a princess and is already more superior than everyone else.