Billie Eilish is a 19-year-old singer, songwriter, and well-known musician who has won five Grammy awards during her career.
The singer liked a post on social media and put forward her views on the ongoing Twitter drama.
As the dating rumor between to has sparked, people are going crazy to know who Matthew is.
At least, according to one source who spoke to.
He lets Billie always have the spotlight and the two of them are a good match for each other.
Besides this, she's also a brand ambassador at Calvin Klein.