Justin Bieber's Costa Rican vacation photos with wife Hailey and son, set to Lizzy McAlpine's 'All My Ghosts,' sparked fan speculation. The song's lyrics about weddings and disappearing ghosts coincided with Selena Gomez's engagement, fueling theories about a connection to Bieber's past relationship. Hailey 'liked' Selena's engagement post, a gesture appreciated by fans amidst past rumoured tensions.