The Michael Jackson Tribute concert in Cardiff, Wales, will not be featuring a live satellite performance by Beyonce as originally promised, RadarOnline.com is exclusively reporting.

Concert promoters had earlier stated that the pregnant singer would be performing via satellite, but on the Ticketmaster website for the event, Beyonce is now listed as making "a special contribution on video."

"Beyonce won't be performing a song live via satellite for the tribute concert now," a source close to the situation tells RadarOnline.com exclusively.