What does having a dream come true look like? For Batik Sayang Singapore owner Serena Wong, it's seeing ex-president Halimah Yacob wearing one of her store's brooches at the National Day Parade (NDP) 2026. In a TikTok video on Monday (Aug 10), the small business owner shared her reaction to footage of the parade. Upon spotting her store's Vanda Miss Joaqium-inspired batik brooch, Serena broke into tears. "I'm so happy guys, I can't believe it," she said. "Thank you so much." The 32-year-old described the moment as a "dream come true" in the caption, thanking those who have supported her. "You rooted for Batik Sayang and helped make this…