12/01/2010 02:01 pm ET Updated May 25, 2011

Out And About Tuesday: Katy Perry Performance, Sharon Stone Jewelry Launch, And 'Frankie and Alex' And 'Meskada' Premieres

On Tuesday morning at the Nokia Plaza in Los Angeles, Actor Denzel Washington announced that Jennifer Lopez will join him as spokesperson for The Boys & Girls Club Of America. Hours later, singer Katy Perry took center stage at Club Nokia for a performance at the GRAMMY Nominations Concert Live!. Meanwhile in Beverly Hills, actress Sharon Stone was on scene for the charity donation to "Drop in the Bucket" and to launch her Damiani "Maji" Jewelry Collection. Elsewhere around town, stars like Halle Berry and Mandy Moore hit the red carpet for the premiere of "Frankie and Alice," while actors Norman Reedus and Kellan Lutz attended the premiere of "Meskada."