Pop Crunch — Big Grammy New: Best New Artist nominee Justin Bieber, R&B vet Usher, B.o.B, Janelle Monáe Lady Antebellum, Muse, and nominee frontrunner Bruno Mars have been added as performers at next month’s ceremony. Music’s biggest night will be held at th... more info

MTV.co.uk News — Usher has postponed four shows in the last few days due to illness, and walked off stage in Berlin on 12 January because he was too sick to continue. The Yeah! singer, who is at the start of his... more info

Topix — It was not Usher's finest moment. Forced to cancel his Wednesday concert at Berlin's 02 Arena at the last minute due to illness, the "OMG" singer, 32, rescheduled the show for the next night and promised his fans, via Twitter , "the show that you all... more info

Popeater — Filed under: Music News, Usher Oh, oh, oh, oh oh my gosh. Usher is not having a good week. CNN reports that the R&B star was forced to cancel his Wednesday concert in Berlin at the last minute due to an upper respiratory il. "I was ill and felt... more info

CNN Showbiz — It was not Usher's finest moment. more info

People.com — The performer, who is suffering from an upper respiratory illness, will reschedule his European shows in March more info

411 Mania — What's wrong with Usher? more info

ContactMusic — Sick R&B star USHER has postponed a further two dates on his European tour after a doctor prescribed bed rest to fight off a respiratory illness.The Yeah! hitmaker pushed back a planned gig at the O2 World in Berlin, Germany on Wednesday (12Jan11) af... more info

Perez Hilton — At least this time he made an effort to perform. We reported yesterday that for some unexplained reason, Usher had to cancel his Wednesday night concert in Berlin. This morning, we have the reason, as one of our Perezilicious readers was in the audie... more info

TMZ — Filed under: Usher, Usher Raymond, Music Usher has canceled two upcoming European concerts after coming down with some sort of "upper respiratory illness" ... this according to the singer's rep. Just yesterday ... more info