Here is the full list of all 39 Dance Dance Girl achievements.
Finish training of Tiffany
Collect 20 golden stars.
Finish training of Sunny
Finish training of Victoria
Finish training of Luna
Finish training of Wendy
Finish training of Raina
Finish training of Jessica
Play with Jessica
Collect 100 golden stars.
Collect 200 golden stars.
Collect 300 golden stars.
Collect 20 dark stars.
Collect 50 dark stars.
Collect 80 dark stars.
Collect 10 bombs.
Collect 20 bombs.
Collect 50 bombs.
Collect 80 bombs.
Take 20 photograph.
Take 50 photograph.
Take 100 photograph.
Take 200 photograph.
Collect 500 golden stars.
Collect 800 golden stars.
Collect 1000 golden stars.
Collect 2000 golden stars.
Collect 120 dark stars.
Collect 150 dark stars.
Collect 200 dark stars.
Collect 120 bombs.
Collect 150 bombs.
Collect 200 bombs.
Collect 300 bombs.
Rain 5 times.
Rain 10 times.
Rain 20 times.
Rain 50 times.
Rain 100 times.