Here is the full list of all 43 Just Dance 2014 trophies - there are 30 bronze, 9 silver, 3 gold and 1 platinum.
Unlock all the trophies
Get 5 stars on all songs (No Alternate versions, Mash-Ups, or Battles)
Get 5 stars with all 4 players in any song with 4 Dancers
Get 3 stars with all 4 players in any song with 4 Dancers
Finish 20 songs with 2 or more players dancing
Complete an On Stage dance with 3 players
Win each Battle once
Play 20 songs on the World Dance Floor
Dance at least one complete song in 5 Happy Hour sessions
Finish 5 songs with 2 or more players dancing
Perform only Good Moves or better in a song
On a song with 2 dancers get 5 stars on both dancers
Play 5 songs on the World Dance Floor
Burn 2,000 calories in any mode in Just Dance 2014
Get 3 stars on all songs (No Alternate versions, Mash-Ups, or Battles)
Apply the ice effect to an Autodance
Apply any effect to your Autodance video
Watch 20 Autodance videos in JDTV
Watch one Autodance video in JDTV
Win a Battle
Burn 1,000 calories in any mode in Just Dance 2014
Complete an On Stage dance on your own
Dance as Slimer in Ghostbusters
Spend 200 mojo
Spend 50 mojo
Spend 10 mojo
Like 1 Autodance video on JDTV
Burn 500 calories in any mode in Just Dance 2014
Get 5 stars on 5 songs
Complete a song with 90% or more Perfect Moves
Perform all Gold Moves in 5 songs
Complete a full 20-minute Sweat Program
Play 60 minutes in Just Sweat
Get 5 Stars on a song
Complete a full 10-minute Sweat Program
Complete a full 40-minute Sweat Program
Perform all Gold Moves in a song
Get 3 stars on 5 songs
Complete 3 songs in Just Sweat
Get a Perfect Move on the last move of a song
Get 10 Perfect Moves in a row in any song
Get 3 stars on a song
Complete your first song