There are 48 Trophies that can be earned in this title.

Bronze

Singing Basics
Complete The Basics in Vocal Coach with at least a Bronze cup.

Challenge Champion
Complete every Vocal Coach Challenge with at least a Silver cup.

Game Guru
Complete every Vocal Coach Game with at least a Gold cup.

Note Pro
Hold a single note for at least 5 seconds in 'Be Our Guest'.

Riding The Waves
Sing 70% of curved notes correctly in 'He's A Tramp'.

Mowgli Madness
Sing both 'The Jungle Book' songs.

Bronze Bonus
Get a Bronze bonus in 'The Bare Necessities'.

Up on High
Get on the Score Board with both 'The Jungle Book' songs.

Stardom
Achieve a 4 Star rating or higher in both 'The Jungle Book' songs.

On Your Own
Sing 'I Wan'na Be Like You' in Performance mode.

Super Stardom
Get at least a 4 Star rating in 'Cruella De Vil' whilst singing in a Solo game.

High Peak
Reach the top spot on the Score Board for 'Dig A Little Deeper' in a Solo game.

Family In Sync
Sing 'If I Didn't Have You' twice in any Family game.

Family Stars
Get 3 Silver bonuses whilst playing Family games.

Ranking High
Get a 5 Star rating in any 5 songs whilst playing Family games.

King Of The Pride
Sing all 'The Lion King' songs.

Pride Lands
Activate 'The Lion King' theme.

High Reach
Reach the top spot on the Score Board in 'I Just Can't Wait To Be King'.

Sing It Superstar
Get a 4 star rating or higher for all 'The Lion King' songs on hardest difficulty.

Tag Team
Sing 'A Whole New World' in a Duet.

Super Team
Sing 'Our Town' and achieve a combined score of 1,250,000 during a Duet.

Team Altogether
Get at least a 4 star rating in 3 Sing It Together games on the hardest difficulty.

Sing It Showdown
Sing 'Hakuna Matata' during a Competition.

Showdown Success
Win a Competition with a score of 1,000,000 or higher.

Battle Star
Get at least a 4 star rating in 3 Sing It Showdown games on the hardest difficulty.

Royal Highness
Get on teh Score Board twice with 'Cinderella' songs.

Silver Superstar
Get a Silver bonus in 'Bibbidi Bobbidi Boo (The Magic Song)'.

So This Is Awesome
Get at least three Awesome pages in 'So This Is Love'.

Star-Setter
Get 5 Stars twice when singing 'Cinderella' songs.

Natural Flair
Achieve at least level 5 Flair in 'You've Got A Friend In Me'.

Awesome!
Get a Silver bonus in 'You Can Fly! You Can Fly! You Can Fly!'.

All Flaired Up
Reach maximum flair in 5 songs.

Princess Power
Sing both 'The Princess and the Frog' songs.

Going For Gold
Get a Gold bonus in 'Almost There'.

Soaring High
Reach the top spot on the Score Board for both 'The Princess and the Frog' songs.

Star Achiever
Achieve a 5 Star rating in both 'The Princess and the Frog' songs.

Silver

Singing It Better
Get a Superstar rating for everything in Vocal Coach.

Singing Skill
Sing 150 congs with at least 3 stars.

Bonus Master
Get a Gold bonus in every song in the game.

Star Talent
Achieve a 5 Star rating in any 15 songs whilst playing in a Solo game.

Star Power
Sing at least 20 songs in a Family game.

Great!
Get 150 Great bonuses whilst playing any Sing It Together game.

Greatness!
Get 150 Great bonuses whilst playing any Sing It Showdown games.

Golden Style
Get an Awesome bonus in at least 10 songs in the game.

Gold

Diversity
Complete a song in every mode of the game.

Perfectionist
Get a 5 Star rating in every song in the game.

Super Scorer
Earn 100,000,000 total points throughout the game.

Platinum

Sing It All
Win every award in the game.

http://www.ps3trophies.org/game/disney-sing-it-family-hits/trophies/