Sommarkrysset is a Swedish television program that is broadcast live from the Gröna Lund amusement park in Stockholm during the summer. It was first shown on 3 June 2005.

Måns Petter Albert Sahlén Zelmerlöw is a Swedish pop singer and television presenter. He took part in Idol 2005, eventually finishing fifth, won the first season of Let's Dance, and scored a hit with his 2007 song "Cara Mia", which was his entry in that year's Melodifestivalen. Zelmerlöw was the host of Allsång på Skansen from 2011 to 2013. He participated in Melodifestivalen in 2007, 2009 and won in 2015. Zelmerlöw represented Sweden in the Eurovision Song Contest 2015 with the song "Heroes", winning the contest with 365 points. Zelmerlöw and Petra Mede co-hosted the Eurovision Song Contest 2016 held in Stockholm.