Possible Clues:

• Fashion designer Lepore
• Title heroine of a 1930 musical
• Title heroine of a 1925 musical
• Half of the ''Tea for Two'' duet
• No, No, —, musical
• Comedy special for which Hannah Gadsby won a 2019 Emmy
• 1925 Broadway title role
• 'No, No, --' (old musical)
• Fabray of TV fame
• Double negative follower?