Adele will perform at the Grammy Awards on Sunday night . It will be her first performance since undergoing surgery on a benign polyp . `` Every year , some album ends up at No . 1 , '' said David Bakula , Nielsen 's senior vice president of analytics for entertainment . The singer has been in and out of hospitals over the past few months for treatment, including one where she was treated with an experimental drug that is not approved by the FDA to treat cancer patients.
Adele will perform at the Grammy Awards on Sunday night . It will be her first performance since undergoing surgery on a benign polyp . The singer has been in and out of hospitals over the past few months for treatment, including one where she was treated with an experimental drug that is not approved by the FDA to treat cancer patients.