This legend is NOT a fan of these two artists!
Lionel Richie is definitely one of the greats, and thus deserves to have his opinion taken very seriously!
And the music artist thinks that Justin Bieber and Miley Cyrus have made amateur music acceptable in the mainstream!
He also believes their songs will NOT stand the test of time!
And Lionel says these new kids on the block ain't got nothing when compared to the stars in his prime including Madonna and Michael Jackson!
Here's what he said