Black Eyed Peas Go Retro in Hip-Hop-Celebrating 'Yesterday' Video

This year marks the 20th anniversary of the Black Eyed Peas, and to celebrate the group has ended their five-year hiatus by unveiling their surprise new music video for "Yesterday." In the video, Will.i.am, Taboo and Apl.de.Ap - but not Fergie, who didn't joined the group until 2002 - pay...