R&B crooner Ray J is now facing backlash from one of his music industry peers following the release of his new controversial thirst-anthem �I Hit It First,� in which he shamelessly takes some not-so-subliminal aim at his ex freaky-flick co-star Kimmy Cakes to let the world know�yet again�.that she was bustin� it open in the bedroom with him long before snagging rappers and ball players.