Here is a list of my scores for 5 stars on Hard so you know how many points you need when you play a song:
If you have a score that is lower than what I have but is still 5 stars, please leave a comment with the song name and the score.
Poker Face: 828,451
Hey Mami: 575,259
I Know You Want Me: 660,291
Evacuate the Dancefloor: 621,108
Warm Up Challenge: 484,472
Funkytown: 804,400
Galang '05: 511,222
C'mon Ride It: 876,842
Can't Get You Out of my Head: 575,050
Simple Challenge: 609,052
Crank That: 736,883
Rump Shaker: 562,671
Jungle Boogie: 453,069
Down: 787,902
Pon de Replay: 574,016
Moderate Challenge: 505,677
Move ya Body: 604,741
King of the Dancehall: 346,777
Rendez-Vu: 575,089
Hella Good: 549,702
Dip it Low: 461,061
Tough Challenge: 607,240
Push It: 604,666
Flava in Ya Ear: 591,004
Poison: 697,320
Teach Me How to Jerk: 568,892
Maneater: 611,233
Legit Challenge: 561,406
Satisfaction: 609,110
Bust a Move: 766,806
Days Go By: Need a Score
Pump Up the Jam: 572,774
Hardcore Challenge: 540,738
Brick House: 740,496
Body Movin': 590,251
Drop It like It's Hot: 479,844
Don't Sweat the Technique: 590,878
Just Dance: 617,034
Off the Hook Challenge: Need a Score
Grand Finale Challenge: 1,351,850
Once again, comment if you have a lower score that still is 5 stars. And good Luck!
Also, here is the order that I would attempt the songs
If you don't have hard unlocked, break it down on hard and then perform it until you get 5 stars.
If you have Hard unlocked, attempt the song on hard twice. If you haven't gotten 5 stars by then, break it down. Then keep performing it until you get 5 stars