At the end of a long day of bilateral meetings and news conferences, President Obama celebrated his historic trip to Kenya with an official state dinner and a little bit of dancing.The Kenyan pop group Sauti Sol posted video of the president stepping with them just before his toast. He joined the VMA and BET Award-winning group, along with his half-sister Auma Obama, National Security Adviser Susan Rice, Kenyan President Uhuru Kenyatta and First Lady Margaret Kenyatta.Sauti Sol, hugely popular in Kenya, performed at the dinner and was among a few VIP guests, including American hip-hop artist Akon and Obama’s step-grandmother, Mama Sarah.