[8] Sandén represented Sweden at the Junior Eurovision Song Contest in 2006, singing "Det finaste någon kan få".[8] In summer 2008, she participated again in Diggiloo with Lasse Holm, Linda Bengtzing, Lotta Engberg, Thomas Pettersson, Måns Zelmerlöw, Nanne Grönvall, Stefan and Kim and Magnus Johansson.[13] Her cover of Dea Norberg's song "Den underbara dagen du kommer hem" was used in advertisements for the fast food chain Sibylla in 2008.[8] Also in 2008, Sandén participated with Janne Schaffer, Jan Johansen, Johan Boding and Sara Löfgren in Sun, Wind & Water, a tribute to Ted Gärdestad.[14] In the 2009 Melodifestivalen, Sandén qualified for the grand final with her song "Så vill stjärnorna" but finished last with only two points, which were awarded by the international jury.[5] She performed in the fourth heat in Gävle on 27 February with the song "Youniverse", which she co-wrote with Danny Saucedo and John Alexis.Sandén's fourth studio album, Det bästa kanske inte hänt än, was released on 29 May 2019 under the Sony label.