[Brandy]   Don’t even think about callin' me crazy   You know you peeped that lady (Yeah, yeah, yeah)      And when I turned and look at you, you tried   To play it off but I can tell that you two were friends      She was just too nervous   She was lookin' like she was hurt   Like the memory had surfaced   It kinda got her pissed      I'm kinda wonderin' myself   And you're really no help to me   How you two know each other so well?   'Cause I wanna know now   You better start talkin'      Who is she to you?   Don’t lie to me   Who is she to you?   My eyes can see   Is something's going on between you two?   I think you better let me know   That’s fo' sho'      [Usher]   Who is she to me?   Nobody, babe   Who is she to me?   No need to explain   There's nothing more, I swear to you   Ain't nothing going on with us, that's what's up      See, I don't know why homegirl keeps on eyein' me   On everything, I'm not lying (Oh no, oh no)   You make it worse, actin' all insecure   She see you buggin' so that's why   She won't be spyin'      Go ahead and say you don't trust me   Always goin' out of your way to bust me   You come off empty-handed   You ain't understandin'      You better cool it and listen   Girl, you got me twisted   Don't be payin' that broad no attention   'Cause you're the one I'm with   Don't be askin' me...      [Brandy]   Who is she to you?   Don’t lie to me (Who is she?)   Who is she to you?   My eyes can see (My eyes)   Is something's going on between you two?   I think you better let me know   That’s fo' sho' (Yeah, yeah)      [Usher]   Who is she to me?   Nobody, babe   Who is she to me?   No need to explain (No need to explain!)   There's nothing more, I swear to you (Oh!)   Ain't nothin' going on with us, that's what's up (Oh)      [Brandy]   Damn right I wanna know her name!   [Usher]   Why?!   [Brandy]   Tell me how you know her, babe.   [Usher]   I don't!   [Brandy]   Why did she make that face?   [Usher]   I don't know, I don't know...   [Brandy]   You looked so ashamed...      [Usher]   I'm not ashamed, I'm suprised   You think of me as that guy   I've never done you wrong   What's going on? I don't know...      [Brandy]   Who is she to you? (Who is she?!)   Don’t lie to me   Who is she to you? (What did you do?!)   My eyes can see   Is something going on between you two?   I think you better let me know   That’s fo' sho' (Yeah, yeah)      [Usher]   Who is she to me? (You must be crazy!)   Nobody, babe   Who is she to me? (To think I'd cheat on my baby!)   No need to explain   There's nothing more, I swear to you (Love you, baby...)   Ain't nothing going on with us, that's what's up      [Brandy]   Who is she to you? (Baby! Don't lie!)   Don’t lie to me   Who is she to you? (Tell me the truth!)   My eyes can see   Is something going on between you two? (Oh, yes, it is)   I think you better let me know   That’s fo' sho' (Yeah, yeah)      [Usher]   Who is she to me? (Nobody, babe!)   Nobody, babe   Who is she to me?   No need to explain (No need to explain!)   There's nothing more, I swear to you   Ain't nothing going on with us, that's what's up