Christina Aguilera's Emmys Gig and Other Short Cuts

Tony Bennett and Christina Aguilera will reprise their duet performance of "Steppin' Out (With My Baby)" at the Sept. 16 Primetime Emmy Awards. But will Xtina step out with a baby belly?.... Carlos Mencia will host the Creative Arts Emmy Awards on Sept. 8.... ESPN2's telecast of the "Super Classico" contest between David Beckham's L.A. Galaxy and Chivas USA set a new record as the cabler's most-watched MLS game ever.... Oliver Hudson ( Rules of Engagement) and wife Erinn Bartlett ( How I Met Your Mother) welcomed their first child, a son named Wilder Brooks, on Aug. 23, says People.