Toby Keith would have turned 63 on Monday (July 8), and his friends and family are celebrating his birthday for the first time since he died on Feb. 5, 2024. The country star’s daughter Krystal Keith — who is a country performer in her own right — shared a brief remembrance of him on social media. “Happy Birthday to our Popster,” she wrote, alongside a photo of her dad grinning on a baseball field and holding up a card that reads, “Keep Smiling.” “We miss him like crazy,” Krystal continued. “Playin’ in sweet in heaven today.” Keith died in February after an almost-two-year battle with stomach …