Kanye West, 88-Keys Become Dirty Old Men For 'Stay Up (Viagra)'

The duo don some special-effects makeup for the clip, which premieres Monday on MTV. Thanks to a couple of hours in the makeup chair, Kanye West became a dirty old man. Recently in Los Angeles, West and one of his best friends, producer 88-Keys (West, Musiq Soulchild, Mos Def), wore prosthetics to look like senior citizens while shooting the video for "Stay Up (Viagra)." The two â