Katy Perry at the Smurfs 2 premiere Los Angeles - Arab Today Katy Perry rocked an all blue combo to promote her new film Smurfs 2 at Regency Village Theatre on Sunday in Westwood, California. The 28-year-old entertainer brought along grandmother Ann to the premiere and was joined by co-stars Neil Patrick Harris and Jayma Mays. Katy wore a Tadashi Shoji dress, boasting a leather skirt and lace top. She paired the outfit with metallic blue Pedro Garcia heels.