YouTube Tove Lo is back with a brand new album era. The 38-year-old "Habits (Stay High)" superstar revealed that her sixth studio album, ESTRUS, will be released on September 18 via Pretty Swede Records. The album can already be pre-ordered here in a variety of formats. Find out the meaning of Tove Lo's new album ESTRUS Here's a description of the album... After years of locating truth somewhere between hedonism and vulnerability, her sixth album ESTRUS (meaning female mammal in heat) dives into an even deeper, uncharted level of honesty.