On September 29th, Big Bang's Seungri and Taeyang attended the launch event for Ludacris's new line of luxury headphones, 'Soul by Ludacris', at the Banyantree Club & Spa in Seoul. Other stars that attended the event included Jung Sora, Park Soo Hong, Kim In Suk, and others. The members of Big Bang were named the brand's newest endorsement models earlier this month, and the two members were invited as guest performances to congratulate the brand's launch in Korea. Stars attending the event got to experience the quality of the headphones first-hand. Check out photos from the event below! [gallery link="file" order="DESC"] Photos: As tagged