United Kingdom, June 26 -- Sienna Spiro has admitted it's "really alarming" witnessing the "boys club" that is the music industry.

The 20-year-old singer spoke to Music Week about how she's found being in the business as a young, breakout star, and said that she's noticed the sexism more and more the further she's "gone in my journey".

She said: "Women are absolutely not treated equally behind the scenes, in management, labels, studios, everywhere.

"The term 'boys club' is very, very, true. It's really alarming to see, and the further I've gone in my journey, the more I've noticed it.

"I really hope [things will improve], and they have changed for women who are front-facing and in the public eye. But I think the way women get treated ...