Kellie Pickler to co-host 'Knock Knock Live' with Ryan Seacrest

Kellie Pickler will co-host Knock Knock Live with Ryan Seacrest.

The 29-year-old singer, The Real host Adrienne Bailon, former The Tonight Show with Jay Leno correspondent Ross Mathews and radio personalities Jordan "Shorty" Johnson and Chuey Martinez were announced as Seacrest's co-hosts Tuesday

Knock Knock Live will see Seacrest and his co-hosts travel across the country to surprise unsuspecting people with the "chance to win big prizes, turn their wildest dreams into reality and even meet their favorite celebrities."

Retired soccer star David Beckham, singers Luke Bryan and Meghan Trainor, rapper Common, country group Florida Georgia Line, All American Handyman host Mike Holmes and former Glee actress Lea Michelle are slated to make appearances.