Dbanj poses with Usher, Will.I.Am at World Earth Day 2015 in D.C.

D'banj hung out with Usher and Will.I.Am during his appearance at the World Bank's Global Earth Day concert in Washington D.C last night. See more photos after the cut...

Here's how World Bank Described D'banj's presence at its event.

'Nigerian superstar @iamdbanj performs in the atrium at World Bank headquarters in Washington DC. He joined a star studded lineup along with @unitednations Secretary-General Ban Ki-moon, President Kim, K-pop stars #Vixx and Roy Kim, and DRC pop star Fally Ipupa. The packed house gathered to build action towards ending extreme #poverty by 2030. @onecampaign and @savethechildren supported this #action2015 event ahead of the @glblctzn #EarthDay event today on the National Mall.'