Parker McCollum is going to be a dad! The singer and his wife, Hallie Ray Light McCollum, shared the baby news with fans via social media on Wednesday (Feb. 7). Standing on the edge of a pool and overlooking the ocean, the couple share a smooch in the announcement photo, with Hallie Ray nestling her hands around her belly. “God’s little blessing,” she writes on Instagram. “We love you so much already, Baby M!” The country singer expressed equal excitement on Twitter, writing: “I’m gone be a daddy! Baby M coming later this year! Such a huge blessing from God!” Although this makes it official, f…