Elsie Hewitt and Pete Davidson reportedly began dating in March, and announced their pregnancy in July. Pete Davidson is going to be a dad! The 31-year-old “King of Staten Island” star spoke about his brand-new baby news for the first time during an appearance on “The Tonight Show” with Jimmy Fallon.“I did it!” Davidson said jokingly as the audience applauded, before expressing his sincere excitement. “Nah, if anybody who knows me, it’s my dream to be a dad, so I’m so excited,” he said, adding this his girlfriend, model Elsie Hewitt, is also giddy. “I’m excited to see her be a mom, so we’re stoked,” he said. Davidson added that the news put things in perspective, as “everything else doesn’t really matter anymore.” “It’s nice,” the former “Saturday Night Live” cast member added. Fallon heaped