The US president visited Ireland on his European tour during which he met the Irish president and prime minister, Mary McAleese and Enda Kenny respectively.
Of course, from the point of Eurovision Song Contest fans, the highlight of that visit must've been visiting a concert where the energetic duo Jedward also performed.
No hints about possible changes in Obama's hairstyle after seeing Jedward, from the president have been received, though!
But that's not the only success for the spike-haired twins - they're also rumoured to start working with Steven Tyler, the lead vocalist of the American band Aerosmith as well as their possible return to the stage of Europe's favourite TV-show.
Jedward finished 8th in Düsseldorf, at the 56th Eurovision Song Contest with their song Lipstick.