The new line is in partnership with H&M.
Eilish has already released collections with the likes of Urban Outfitters and Bershka.
The pop superstar's range includes
oversized t-shirts, sweaters and bucket hats.
which are made entirely
from sustainable materials.
It's no secret that Eilish is
an advocate for the environment.
She's also teamed up with non-profit organization Reverb to make her upcoming 'Where Do We Go' world tour as green as possible.
Eilish has created her own Eco-Village, which will feature refill stations for fans who bring their own reusable bottles while educating them on climate change.