can anyone help me with this song?

i really need help, does anyone know what this song is

i don't have much to go on, just that the chorus goes

'i know'

and it sounds like an r n b song

but i'm not sure who it's by, or any other lyrics :/

it was released this year i think, as i heard it in macdonalds hahah.

help please!

x

and i know it's a really new song.