On Sunday, May 28th, National Hamburger Day, Kelly’s at Southbridge will offer $12 burgers. Kelly’s award winning burgers are made with a signature four meat blend of short rib, sirloin, chuck and brisket. Kelly’s burgers include a spicy Pepperjack Guacamole Burger, Bourbon Egg Burger topped with onion rings and barbeque sauce and the signature Original Four-Cut Burger topped with pancetta, mushrooms and piquillo peppers. Kelly’s will also have all day happy hour on Sunday, May 28th! Enjoy half price appetizers, bruschetta, bottles of wine and champagne, $4 drafts, house wines, wells and $4 off signature cocktails.  For more information, visit www.kellysatsouthbridge.com.