LOS ANGELES A slew of celebrities turned out for the Audi Pre-Emmy event in Los Angeles. Zoe Saldana looked stunning in a leopard print dress, while other stars put on their party best and shared their Emmy Night preparations. Aaron Paul:454068102 :45 “This year..:56 throughout the Hollywood area.” Michelle Dockery 454068104 :16 “I just get up…:21 maybe.” Julie Bowen 454068096 :09 “I’ll have my annual pedicure…:14 once a year.” LONDON In London, Jon Hamm celebrated the UK Gala Screening of “Million Dollar Arm,” a film which the star says is more than just a sports drama. Jon Hamm: 454039456 :23 “you could…:32 good stuff.” NEW YORK CITY Serena Williams:454041674 Sound up Full singing :00 “a kiss on the hand…are a girl’s best friend.” In New York City, Serena Williams traded her tennis racket for a microphone when she and celeb guests performed at the Delta Open Mic in advance of the U.S. Open. Serena Williams 454041676 :06 “I love to Karoake..:13 can’t hold a tune.” Katrina Bowden 454041680 :05 It’s really fun…:08 Just do it.” Laverne Cox 454041696 :15 “I’m a huge karaoke fan..singing everything :23