As hundreds of kids comb the grounds of the White House looking for colorful eggs at next Monday's Easter egg roll, eight celebrity chefs will be adding their own flavors to the affair, giving cooking demonstrations in a pavilion on the South Lawn — right near first 'ady Michelle Obama's famous Kitchen Garden. Five of the chefs have appeared on "Top Chef," either as contestants or guests: Sam Kass, White House Senior Policy Advisor for Healthy Food Initiatives; Bryan Voltaggio, chef/owner of Volt restaurant in Frederick; Carla Hall, from ABC's "The Chew;" Paul Qui, Executive Chef of Uchiko in Austin, Tex.; and Richard Blais, host of "Reinventing the Meal" on the Cooking Channel.Also doing demos that day are Gina and Pat Neely, hosts of "Down Home with the Neelys" on the Food Network; and "Bizarre Foods" host Andrew Zimmern. Providing some workout-inspired entertainment will be celebrity fitness expert Bob Harper, who is welcoming the first lady as a guest on two episodes of NBC's "The Biggest Loser" this week. The White House is giving updates on performers at the event through their Easter Egg Roll and Let's Move Twitter accounts, and on Tuesday announced appearances by DJ Willy WOW! and Washington Sports Club's Zumba team.