| Clue | Source | Date |
|---|---|---|
| Begin grinning | Wall Street Journal | 20 May 2025 |
| What you might do if you sing 16-Across | New York Times | 28 May 2018 |
| What you might do if you sing 16-Across | ||
| Turn a frown upside down | Universal | 06 Jun 2017 |
| Turn a frown upside down | ||
| Grin | LA Times Daily | 12 Aug 2016 |
| Grin | ||
| Show those pearly whites | Universal | 13 May 2015 |
| Show those pearly whites | ||
| Display happiness | ||
| Display happiness, in a way | ||
| Get happy | ||
| Get happy | ||
| Show pleasure |