During a Jonas Brothers concert in Texas on Sunday night, the four current members of Fifth Harmony—Ally Brooke, Normani, Dinah Jane, and Lauren Jauregui—stunned the audience with an unannounced reunion, marking their first time sharing a stage since the group went on hiatus in 2018. The crowd’s explosive reaction underscored the enduring popularity of the vocal quartet, whose return delivered an emotional and energetic performance that dominated social media chatter for hours