Home Denny's Denny's Posted: Monday, April 25, 2016 Denny’s underwent a major renovation and held its grand opening/ribbon cutting ceremony on Wednesday April 20. The event featured certificate presentations from the offices of Assembly Member Don Wagner, Representative Mimi Walter’s Office, OC Board of Supervisors Lisa Bartlet’s Office, the Lake Forest Chamber of Commerce, and the City of Lake Forest. Mayor Pro Tem Scott Voigts and council member Jim Gardner was in attendance. Denny’s restaurant was packed with patrons who ordered grand slams and received prizes. Denny’s is “America’s Diner” with over 1,700 locations nationwide and 2 in Lake Forest.