The 30-year-old "Roar" hitmaker took to Instagram to share the news and also teased one of the items in the collection, reported Female First.
"THE HOLIDAYS I am excited to announce that I will be starring in @hm's #HappyandMerry Holiday Campaign launching later this year!!" she posted alongside an image from the campaign of her pulling a snowflake patterned woolly jumper up over her mouth and nose
The brunette beauty, whose hair is pulled back into a neat bun with a fitting red bow tied around it in the snap, said in a statement she has been shopping in H&M for years.