@voicesofgold: @Christina Aguilera pulled up to the Obama Presidential Center opening and just… ended the whole ceremony ✨ Christina Aguilera took the stage at the dedication of the Obama Presidential Center yesterday with a song she’d never sung live before, Louis Armstrong’s “What a Wonderful World,” reportedly one of Barack Obama’s all-time favorites. The result: both Obamas on their feet. Full story and everything that happened at the ceremony at the link in bio 🔗 #ChristinaAguilera #ObamaPresidentialCenter 🎥 CBS News Chicago / Paramount Skydance