Here is the full list of all 34 DanceStar Party trophies - there are 18 bronze, 10 silver, 5 gold and 1 platinum.
Unlock all other trophies
Dance for 10 hours in total
Play 24 Party rounds in total
The same player wins 5 Party rounds without losing any at all
Get a 5-star rating on 10 Dance Partners, normal length routines (excludes Creator Routines)
Score 100,000 on a Professional routine
Get a 5-star rating on 10 Professional, normal length routines
Get a 5-star rating on 5 Intermediate, normal length routines
Get a 5-star rating on every section of a Professional routine in Dance Class
Save 20 highlights
Get a 5-star rating on every section of an Intermediate routine in Dance Class
Burn at least 200 kcals a week for a month
Perform 10 Dance Workouts
Get a 5-star rating on every section of a Beginner routine in Dance Class
Share a video or snapshot highlight with Facebook or Twitter
Upload a video or snapshot highlight to the Community Gallery
Play your first Dance Partners routine
Get a 5-star rating on every section of a Dance Partners routine in Dance Class
Create a Dance Partners routine
Play a Creator Routine
Create a Solo Dancer routine
Play a 5-round Party
Get 40 hi-scores
Get a 'Flawless Singing' rating in 10 performances
Play 15 dances in one game session
Play 50 dances
Perform a Dance Workout
Rate a video or snapshot highlight in the Community Gallery
Play your first Dance Battle
Get at least a 'Cool Singing' rating in 5 performances
Get 5 hi-scores
Get a 5-star rating on a Beginner, normal length routine
Achieve a 70-move streak in any routine (excludes Creator Routines)
Play your first Solo Dance