Possible Clues:

• Had base (anag.)
• Confused and embarrassed
• Tree in one part of garden having turned red?
• Feeling chagrin
• A hit making one embarrassed
• A graduate with modest accommodation is embarrassed
• Embarrassed by Abba's first hit
• Ill at ease, an arty type joins cast
• She is seen in an evil environment looking shamefaced
• Made ashamed