The Danish swimmer was always going to find it hard to top 2016, when she was an unexpected Olympic champion. She won Bronze in the 100m freestyle in the World Championships held in Budapest, Hungary. Although way behind 2016 level of success her massive popularity on the site has propelled her to 23rd on this years list, a position probably in advance of her achievements.
Pernille first featured on the site in December 2014, and also a Best of Instagram feature in January 2017. She was 4th in the 2016 Top 25, and was one of the inaugural site favourites compiled galleries featured on the front page.
Here are some more recent 2017 images