Usher makes karaoke cameo Usher Fri-10-Aug-12 17:24 Share this USHER wowed Los Angeles karaoke revellers in the early hours of Tuesday (07Aug12) by stepping onstage at a Sunset Strip bar and belting out a JACKSON 5 classic. The R&B star offered up a pitch-perfect rendition of the Jackson 5's I'll Be There at Rock & Reilly's. Fans caught the magical moment on camera phones and the footage has now hit the Internet.WENN.com You May Also Like Chris Brown & Usher to tour? Did Usher plagerize Homer Simpson? Fans faint in Usher's new video 'More' How is Usher’s little boy doing after almost drowning? Is there an Usher sex tape? Become a fan of The Edge on Facebook and on Twitter .