my top 10, in no particular order, looks like this:
P!nk - Who Knew
Ke$ha - Your Love is My Drug
Kelly Clarkson - Since U Been Gone
Britney Spears - Till the World Ends
Kelly Clarkson - My Life Would Suck Without You
Ke$ha - Tik Tok
Katy Perry - Teenage Dream
Katy Perry - Wide Awake
Sugababes - About You now
Miley Cyrus - Party in the USA
others were rated very highly as well...and I did give out a few 1's