Just Dance 3 Cheats

Trophies
There are 12 Bronze Trophies, 11 Silver Trophies, 6 Gold Trophies, and 1 Platinum Trophy.

Ace Pair (Silver): Finish any Duet with 2 players getting at least 3 stars on both choreographies.
Big Band Theory (Gold): Finish any Dance Crew with all 4 players getting at least 5 stars.
Constellation Maker - Bronze (Bronze): Get at least 1 star on every choreography in the "Songs" tab.
Constellation Maker - Gold (Gold): Get 5 stars on every choreography in the "Songs" tab.
Constellation Maker - Silver (Silver): Get at least 3 stars on every choreography in the "Songs" tab.
Eyes Wide Shut (Bronze): Get 5 stars on any song after disabling pictograms in the options menu.
Get Mashed! (Bronze): Get 5 stars on a Dance Mash-up song.
Halfway There! (Silver): Collect 260 stars.
Highway to the Stars (Bronze): Get 5 stars on 2 songs in a row (excluding Speed Shuffle & Simon Says).
Just Dance Legend (Platinum): Earn every Trophy in Just Dance 3.
Just Dancer - Bronze (Bronze): Play 10 songs.
Just Dancer - Gold (Gold): Play 150 songs.
Just Dancer - Silver (Silver): Play 75 songs.
Light Speed (Bronze): Play 20 songs in a row on Speed Shuffle.
Magnificent Medley (Bronze): Get 3 stars or more on 3 Medleys.
Marathon - Bronze (Bronze): Play 5 songs in a row on Non-Stop Shuffle.