Queen Latifah dropped by the Essence Music Festival on Friday to help celebrate its 15th year of uplifting and empowering the African-American community through issues-filled seminars by day and high-powered musical performances by night. Queen Latifah, a spokeswoman for Cover Girl's Queen Collection, said she was happy to support an event that tackles concepts close to her heart but also weaves in fun. Essence has always "been a trend setter," she said. It's an "iconic magazine when it comes to black women and creating the image of beauty for black women, inner beauty as well as outer beauty." Essence, which opened Friday, runs through Sunday with performances in the Louisiana Superdome by artists including Al Green, Anita Baker, Lionel...