|Niall Horan in his signature Calvin Klein underwear|
A British celebrity magazine is offering the chance for one lucky fan to win a signed copy of Horan’s Calvin Klein boxers.
To enter, fans must collect the vouchers from the next five issues of Now Magazine and post them to the magazine’s office.
“The first envelope picked at random out of our bulging postbag containing all five vouchers will win Niall's pants,” the competition rules state.
Read More: Top ten facts about the Irish star of One Direction - Niall Horan
To the delight of many of his fans, the Mullingar native stripped to his white Calvin Klein underpants in August, while the band was shooting a music video.
“We have literally just finished shooting the video for "live while we're young" ur gona love it! It was soo fun to shoot!,' the 19-year-old told his Twitter followers.