Obama is Sexy and He Knows it Obama sings LMFAO's Sexy and I Know It. by Becky Young Mar 29th, 2012 We all saw Obama singing Al Green's Let's Stay Together at a press dinner recently. Now, he's back and this time ... he's workin' it!! Check out Mister President also singing Born This Way and Drink to That. Props to creator baracksdubs for these great videos.