Overview

• Seventeen concluded their three-day 'B-DAY PARTY' celebration with a concert on Jamsu Bridge, drawing 6,000 fans to the site and many more watching from the Han River and online.
• The group released their fifth studio album, 'Happy Burstday,' featuring 16 tracks, including solo songs from all 13 members and collaborations with Pharrell Williams and Timbaland.
• The lead single 'Thunder,' a hip-hop dance track, was performed live at the concert ahead of the album's official release on May 26, 2025.
• Fans from 138 countries participated in the celebrations, with some renting yachts to watch the concert and others assisting in crowd safety by creating wider exit paths.
• The Jamsu Bridge concert featured fireworks, synchronized water effects, and performances of fan-favorite hits, marking a milestone in Seventeen's decade-long career.