Misunderstandings, celeb drug use, and news (that actually isnt bad) about Lindsay Lohan... Yeah, today's Showbiz Top 5 features:  The details on Bruno Mars' cocaine conviction, an update on Halle Joy's custody battle with baby-daddy Gabriel Aubry, a miscommunication between David Letterman and Michael & Lindsay Lohan, a Jersey Shore engagement, and the full scoop on Paris Hilton and Kim Kardashian's falling out.  Get it all from our very own queen of celebrity gossip, Kellie Rasberry by clicking 'READ MORE'...