David Archuleta was spotted as he speaks at the “Children Uniting Nations” 4th Annual National Conference held at The House Capitol Building on Tuesday afternoon (June 9) in Washington, D.C.

The 18-year-old American Idol alum tweeted after the event, saying: “Just had a press conference for Children Uniting Nations. Such inspiring speakers. I’m so tired though! couldn’t sleep.” Speakers included Speaker of the House Nancy Pelosi and Children Uniting Nations founder Daphna Ziman.

David just released a Fan Pack digital bundle exclusively on iTunes TODAY. It includes “Zero Gravity” and “1,000 Miles” plus the live “Touch My Hand” video.