Mos Def Rocked The Bells and brought the House Down as he erformed at Rock the Bells 2008 in Chicago a few weeks ago. Mos Def who has transitioned from a successful hip hop artist to a successful actor doesn't appear to be too concerned about ex-wife Alana Wyatt Smith's tell all book . I don't care how many baby mamas r babies he has...I love me some Mos. Are you ready for some poetry muthafuccas?