CLOCKWORD
The solutions from 1 to 12 are all six-letter words ending with the letter E in the centre. Moving clockwise from 1, the letters in the yellow outer ring will spell out the name of a US singer.
1. Oil 2. Detest 3. Fruit 4. Gorge 5. Disregard 6. Each
7. Mild 8. Suppose 9. – – – Doodle Dandy 10. Observe 11. Prophet 12. Distant