Topshop has already picked a selection of pieces from a new collection recently shown in London and Oslo, and will soon send the designs to manufacturers for production.
"We're in the final stages on confirming with Topshop. They have picked the pieces. We're just waiting for it to go into production, and the collection will be released in January," a spokesperson for the designer told The Local.
The spokesperson said that although pricing had not yet been agreed, she expected T-shirts to sell for between £50 and £60.
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Irvoll, a graduate of Central St Martins in London who once worked as a store assistant at Vivienne Westwood, has designed clothes for international pop stars such as Lady Gaga, Beyoncé, Niki Minaj, Rihanna, Katy Perry and Lily Allen and Pixie Geldof.