Crossword clues for knight's backupAnswerCluePIPSGladys Knight backupPIPGladys Knight backup singerPIPSGladys Knight's backupPIPSGladys Knight's backupsPIPOne of Gladys Knight's backup singersPIPSKnight's backupPIPSGladys Knight's backup groupTHEPIPSGladys Knight's backup groupPIPSGladys Knight's backup group, with "the"PIPSKnight's backupsPIPSSinging Knight's backupPIPSBackup men for Gladys KnightPIPBackup singer for Gladys KnightTHEPIPSBackup group for Gladys Knight