Sean "Diddy" Combs and Ben Silvermanhave both joined Celebrity Cooking Showdown, a five-night reality miniseries being fast-tracked by NBC for an April debut.

Blending elements of Food Network's Iron Chef America and ABC's Dancing With the Stars, the two will pair superstar chefs with celebs in a weeklong cooking competition. Culinary titans Wolfgang Puck, Cat Cora (Food Network's "Kitchen Accomplished") and Govind cq Armstrong (exec chef at Table 8 in L.A.) have signed on to help tutor celebs in preparation for culinary battle.

Variety also reports several celebs are close to finalizing deals to take part in the show, but as of late Sunday, pacts were not ready to be announced.