The biggest lie you ever told Your deepest fear bout growin' old The loneliest night you ever spent The angriest letter you never sent The girl you swore you'd never leave The one you kissed on New Year's Eve The sweetest dream you had last night Your darkest hour, your hardest fight I wanna know you (Don: I wanna know you) Like I know myself I'm waiting for you (Don: I'm waiting for you) There ain't no one else I wanna know you, inside out I wanna dig down deep I wanna lose some sleep I wanna scream and shout I wanna know you inside out I wanna take my time I wanna know you're mine You know there ain't no doubt I wanna know you inside out The saddest song you ever heard The most you said with just one word The loneliest prayer you every prayed The truest vow you ever made What makes you laugh, what makes you cry What makes you mad, what gets you by Your highest high, your lowest low These are the things I wanna know I wanna dig down deep I wanna lose some sleep I wanna scream and shout I wanna know you inside out I wanna take my time I wanna know you're mine You know there ain't no doubt I wanna know you inside out I wanna know your soul I wanna lose control Come on and let it out I wanna know you inside out ♪ I wanna dig down deep (Don: dig down deep) I wanna lose some sleep (Don: I wanna lose some sleep) I wanna scream and shout I wanna know you inside out (Don: I wanna know you inside out) I wanna take my time (Don: I wanna take my time) I wanna know you're mine (Don: I wanna know you're mine) You know there ain't no doubt I wanna know you inside out (Don: I wanna know you inside out) ♪ The biggest lie you ever told Your deepest fear bout growin' old (oh, yeah) The loneliest night you ever spent (yeah, eh, yeah) Inside out What makes you laugh, what makes you cry What makes you mad, what gets you by Inside out...