Plus Mike Tyson remembers Hurricane, and Pharrell's new book.
Plus pics from Juicy J, Jhené Aiko, August Alsina and more.
Plus Nick Gordon's mad at the fam and Tyler hates birthdays.
Sean Kingston, Chris Rock and Pooch Hall also celebrate this week.
Justin Timberlake, J. Cole and Rakim also celebrate.
Guest Rewind: Sean Kingston talks latest album release. (9/10/2013)