The Masked Singer - Sea Queen (Performances and Reveal)

Solo performances of Candelabra performing on Season 10 of the Masked Singer.
Sea Queen seems to resemble a blue sea dragon/gastropod, with spikes piercing out of the back of her body, and some on the top to resemble a crown. She wears a dark blue gown with barnacles scattered alongside the middle, and two large tentacles sticking out.
Clue Answers:
The black widow spider was a clue to her time on Spiderman.
She attended school with Brian Warner, but did not know each other hence the clue about boarding school.
The crown was a clue to Macy bringing her 14th anniversary in The Crown Room.
The "triple threat" was a clue to her being a comedian, writer, and singer.
Her genres are pop and jazz, hence the clue about "genre".
Her mentioning Ken was a clue to her appearance on Ken's show I Can See Your Voice.