Puberty 2 is the fourth studio album by American indie pop singer-songwriter Mitski, released on June 17, 2016, the first release through Dead Oceans. It was produced by longtime collaborator Patrick Hyland. Upon its release, Puberty 2 received widespread acclaim from music critics, with many praising Mitski's emotional delivery and lyrically complex themes, which include longing, love, depression, alienation and racial identity.