Lots of singers/performers (Usher, Mariah Carey, Jennifer Hudson, Stevie Wonder and more) took the stage Tuesday (Jul 7) to honor and say goodbye to Michael Jackson at his public memorial service at Los Angeles’ Staples Center. 20,000 people packed into the arena to witness as the world bid the King of Pop a grand farewell. Here are videos from everyone who performed songs at the globally televised memorial. Keep checking back as we will continue to add photos and videos of the people who made speeches throughout today and tomorrow. Continue reading for the videos.