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\n\tDespite co-starring alongside Lady Gaga in Joker<\/a>: Folie \u00e0 Deux<\/em>, Joaquin Phoenix wasn\u2019t always a Little Monster.<\/p>\n \n\tIn a new interview with Capital FM, Gaga reacts to a throwback video in which Miley Cyrus introduces the actor to her music 14 years ago. In the video, a teenage Cyrus tells Phoenix that she\u2019s a fan of the \u201cPoker Face\u201d singer. <\/p>\n \n\tWhen asked if he is familiar with Gaga, Phoenix jokingly replies that he knows her \u201cvery well,\u201d adding, \u201cShe has a song, \u2018Everybody Goes Up.\u2019 She also does the one, \u2018Two Lashes at a Time.\u2019\u201d Cyrus playfully dismisses Phoenix, and begins singing Gaga\u2019s \u201cBad Romance,\u201d which, again, the actor doesn\u2019t recognize.<\/p>\n \n\tWhile watching the video, Gaga is seen laughing, before she adds, \u201cI know what I\u2019m showing him later. That\u2019s so cool.\u201d<\/p>\n \n\tJoker: Folie \u00e0 Deux<\/em>\u00a0follows Phoenix\u2019s return as Arthur Fleck, a.k.a the Joker, who is now confined in Arkham Asylum. There, he meets Gaga\u2019s Harleen \u201cLee\u201d Quinzel, and they form a powerfully chaotic bond with the goal of causing mayhem across Gotham City.\u00a0<\/p>\n \n\tGaga previously told Apple Music\u2019s Zane Lowe that filming the\u00a0Joker<\/em>\u00a0film with Phoenix was a \u201creally soulful experience\u201d for her. \u201cIt\u2019s like these two people find love in this really dark place and it brings them all the light,\u201d she explained.<\/p>\n \n\tJoker: Folie \u00e0 Deux<\/em>\u00a0hits theaters on Oct. 4. Watch Gaga\u2019s reaction to Phoenix and Cyrus\u2019 conversation here<\/a>.<\/p>\n<\/div>\n<\/div>\n