Article continues below advertisementJoe Biden is living it up after his time in the White House.In a rare public sighting, the former president was seen in Delaware, smiling warmly for a photo inside a colorful ice cream shop, as the 82-year-old continues to battle cancer.Article continues below advertisementSource: @ChrisDJackson/XArticle continues below advertisementBiden kept things relaxed in a navy polo with the top button undone, paired with light khaki shorts. A brown leather belt and a navy baseball cap embroidered with the presidential seal finished the look.