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' Become a fan of The Edge on Facebook and on Twitter .