Pop Legends ABBA costumes will be popular costumes for Halloween! Choose either a Benny costume by itself or pair him with the other Swedish Band members for an ABBA costume that recreates the whole band. ABBA costumes like the Bjorn costume and Frida costume are great for a couples costume. These iconic ABBA costumes never go out of style! Urban Collector is a great source to find your ABBA costumes.