"Scream 4" star Hayden Panettiere was also on hand for some friendly fighting with the new dad. Do you think the blond hottie could really take Mario in a fight? Noel Vasquez/GettyImages.com - April 13, 2011
Mario Lopez's 'Extra' Special Guests
Wynonna and Naomi Judd, Hayden Panettiere, and Tori Spelling and Dean McDermott stop by to see the host in L.A.