There are 49 Trophies that can be collected.

Bronze

Salsa Sizzle
Complete all Salsa Tutorials

Merengue Master
Complete all Merengue Tutorials

Reggaeton Rouser
Complete all Reggaeton Tutorials

Calypso Cruisin'
Complete all Calypso Tutorials

Cumbia Crackin'
Complete all Cumbia Tutorials

Zumba Starter
Complete 'Learn the Moves' mode

Are you Ready?
Complete all Beginner Classes on the Punchcard (2 Total)

Zumbalicious
Complete all Intermediate Classes on the Punchcard (4 Total)

Feel the Heat!
Complete all Expert Classes on the Punchcard (4 Total)

Steel Time
Unlock the Factory Venue

Sky Dancer
Unlock the Rooftop Venue

Super Stardom
Unlock the Stadium Venue

Master Jammer
Unlock Zumbathon Class

Master Jammer Extreme
Complete Zumbathon Class on Easy Difficulty

Beto Shuffler
Complete Zumbathon Class on Medium Difficulty

Warmup Session
Complete all 20 Minute Classes (8 Total: 2 Beg, 3 Int, 3 Exp)

Zumba Hero
Complete all 45 Minute Intermediate Class (6 Total)

Alpha Beto Capper
Complete all 45 Minute Classes (5 Total)

Mind-blowing Moves
Complete all Single Routines (30 Total)

Join the Party!
Achieve 10 Consecutive 'Hearing the Music' Moves

Drastic Dancer
Achieve 20 Consecutiv e 'Feeling the Music' Moves

Club Hopper
Achieve Full Stage Progression in Nightclub

You're a Machine
Achieve Full Stage Progression in Factory

Skyscraper
Achieve Full Stage Progression in Rooftop

Headliner
Achieve Full Stage Progression in Stadium

Challenge Champ
Win a Zumba Attack

Party Pro
Win a 2P vs 2P Workout

Goals Tender
Customize a Calender Day

Personal Time
Save a Customzed Recurring Week

Zumbafied!
Dance Online with 50 Different People

Great Start!
Complete 5 Workouts

Exhilarating!
Complete 10 Workouts

Energizing!
Complete 25 Workouts

Zumba Enthusiast
Complete Workouts 5 Days in a Row

Zumba Fanatic
Complete Workouts 10 Days in a Row

Instructor in Training
Host an Online Session and Complete the Workout

Zumba Maniac
Join an Online Session and Complete the Workout

Everbody Dance Now
Host 10 Online Single Routines and Complete the Routines

Getting Hooked Up
Join 10 Online Single Routines and Complete the Routines

Cardio Companions
Host 10 Online Sessions and Complete the Workouts

Dance Dance Dance
Join 10 Online Sessions and Complete the Workouts

Net Workout
Dance Online with 20 Different People

Silver

Zumbathon Hero
Complete Zumbathon Class on Hard Difficulty

Zumba Master
Complete all Zumba Classes (19 Classes Total)

Awe-Inspiring!
Complete 50 Workouts

Gold

You're Hooked!
Complete 100 Workouts

Zumbatomic
Complete Workouts 30 Days in a Row

Addicted to Zumba!
Dance Online with 100 Different People

Platinum

Platinum Trophy
Platinum Trophy

http://www.ps3trophies.org/game/zumba-fitness/trophies/