A white new female singer with tattoo on her hand

I think I can help you with that!

Based on your description, I'm going to take a guess that the singer you're thinking of might be Billie Eilish. She's a young, white female singer who has become incredibly popular in recent years. She's known for her unique sound, style, and tattoos, including a tattoo on her hand.

Billie Eilish has a distinctive look and sound that sets her apart from other artists. She's known for her edgy, avant-garde style, which often incorporates bold fashion choices and striking visuals. Her music often explores themes of youth culture, mental health, and social commentary, and she's gained a massive following among fans of all ages.

As for the tattoo on her hand, Billie Eilish has a small tattoo of a pair of birds on her left hand. The tattoo is a symbol of her connection to her fans, and she's often incorporated it into her music videos and live performances.

Of course, there might be other singers who fit your description, but based on your clues, I think Billie Eilish is a strong contender!