EXCLUSIVE DETAILS: Rihanna Is Sick -- Refuses To Cancel Grammy Performance

Feb. 12 2011, Published 6:30 a.m. ET
Rihanna is battling a combination of laryngitis and bronchitis, which is threatening her performance with Eminem at the Grammy's on Sunday night, Breaking Celebrity News is exclusively reporting.
One day after pulling out of a benefit concert citing illness, she was spotted at rehearsals on Friday for the 53rd annual awards and is apparently still on for the big show.
"Rihanna will perform with Eminem, as scheduled,” a pal of the Umbrella singer told Breaking Celebrity News.
She Tweeted on Friday that she would be rehearsing, despite suffering from bronchitis.
“Rihanna is on steroids and antibiotics to get her as prime time ready as possible for Sunday night,” the source said.
“Rihanna doesn't want to let Eminem down, but he would totally understand if she couldn't perform. The duo are scheduled to rehearse again on Saturday at Staples, but she proba