There are 44 Trophies that can be collected.

Bronze

If We Ever Meet Again
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

What You Waiting For?
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Hollywood
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

One Week
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Boom Shack A Lack
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Push It
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Me Myself and I
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Where's Your Head At?
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Poison
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

I Like To Move It
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Bulletproof
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Common People
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

KickStarts
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Come On Girl
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Down With The Trumpets
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Badman Riddim (Jump)
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Saturday Night's Alright For Fighting
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Ooh Ahh Just A Little Bit
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Mr Saxobeat
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Unorthodox
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Achy Breaky Heart
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

I Only Want To Be With You
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Don't Cha
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Dancing On The Ceiling
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Dont Upset The Rhythm
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Hot Stuff
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

The Promise
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

I'm Not Gonna Teach Your Boyfriend How To Dance
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

We Speak No Americana
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Badman Riddim (Jump) – (Fitness)
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

I Like To Move It – (Fitness)
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Achy Breaky Heart – (Fitness)
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Kickstarts – (Fitness)
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Ooh Ahh… Just A Little Bit – (Fitness)
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Nobody's Perfect
Achieve 50% accuracy on this song in any game mode apart from Rehearse.

Silver

Half Way There
Complete all songs to 50% accuracy in any game mode apart from Rehearse.

Flawless
Complete a run of 20 flawless dance moves in any game mode.

Shape Up
Burn 20,000 Cardio points in Shape Up mode.

Perfect
Complete a song to 100% perfect in any game mode apart from Rehearse.

Gold

Easy
Complete all one star difficulty tracks to 60% accuracy in any game mode apart from Rehearse.

Pro
Complete all two star difficulty tracks to 70% accuracy in any game mode apart from Rehearse.

Master
Complete all three star difficulty tracks to 80% accuracy in any game mode apart from Rehearse.

Team Effort
Complete the talent competitions and win the show.

Platinum

Platinum Dancer
Earn all trophies to unlock this platinum trophy.

http://www.ps3trophies.com/forums/ps3-trophy-news/6375-get-up-dance-trophy-list.html