Herz (Heart) is the ninth studio album by German pop duo Rosenstolz, containing songs representing the different sides of love.

[2] A range of song styles can be found in Herz, from ballads ("Liebe ist alles" or "Gib mir mehr Himmel") to pop ("Ich komm an dir nicht weiter") and rock ("Eine Frage des Lichts").

[8] The films were produced by Berlin production company Hans & Grete and starred Rosenstolz as well as German actors Nora Tschirner, Anna Bertheau, Franz Dinda and Axel Schreiber.

[14] In his review of Herz, Linus Schwanke of German music magazine laut.de complimented Rosenstolz on always being able to come up with something new and praised the band's creativity, self-will and positive energy.

[1] The editorial team at German women's magazine AVIVA-Berlin were unanimous in their opinion that Herz was Rosenstolz's best and most personal album to date.

[2] Johannes Mihram of German music magazine bloom commented that Herz was both the most rocking and most intimate album by Rosenstolz.