Justin Bieber and Selena Gomez have sent shockwaves through the entertainment world once again, as the former couple were spotted having lunch together in Los Angeles. The pop stars, who have had a tumultuous on-and-off relationship over the years, were seen laughing and chatting over a meal at a trendy restaurant. Fans of the couple have been quick to speculate that this could be a sign of a rekindled romance, while others have speculated that it could just be a friendly catch-up. Either way, the sighting has sent social media into a frenzy, with the hashtag #Jelena trending worldwide.