DANCING WITH THE STARS Pre-Show Now Live on ABC.com

The "Dancing with the Stars" party has officially started with a new installment of the weekly video series "Dancing with the Stars: Pre-Show" on ABC.com.

This week host Marc Istook ("After Party: Dancing with the Stars," "After Party: The Bachelorette") welcomes a diverse panel of pop culture commentators who dish about the most talked-about moments from last week and speculate about what's to come. They include stand-up comedienne and "Chelsea Lately" writer Heather McDonald, "Extreme Makeover: Home Edition" interior design guru Michael Moloney, Glamour.com's Jessica Radloff and professional dancer Snow Urbin.

Field correspondent Jake Whetter (Radio Disney) drops in on Lisa Vanderpump, DL Hughley and Victor Ortiz during this week's rehearsals: Vanderpump talks missteps and getting Giggy with it, DL Hughley maintains his commitment to not giving up, and Ortiz admits to pre-show nerves unparalleled to boxing.

Presented by AT&T, "Dancing with the Stars: Pre-Show" is an original online video series designed to jumpstart the conversation on ABC.com using #DWTS. Each week fans can tune in as Istook and Whetter discuss the season's performances, go behind the scenes with the contestants, offer insight from pop culture experts and solicit demonstrations from ballroom dance experts.

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