Ariana Grande‘s performance during Sunday’s Billboard Music Awards featured a very expensive wardrobe malfunction viewers may have missed. Several minutes into the 24-year-old pop star’s rendition of “No Tears Left to Cry,” her necklace — a diamond choker by Djula worth a whopping $169,000 — suddenly went missing, prompting her team to conduct a frantic sweep of the stage and its surrounding areas. According to Djula’s PR rep, the choker’s clasp “had a faulty mechanism,” which caused it to fall off while Grande performed her choreography. “This is the first time a piece has broken while a celebrity was wearing it,” ... (full story)