Original Me - Cascada

The Archandroid, Overcome, Glassheart (soon to be out), Heaven (rebecca ferguson)

Can't be tamed album by Miley and unbroken by Demi

Try Kanye's Graduation, Late Registration and The College Dropout?

and Coldplay's.

Watch the throne
Born to die
Channel orange
Paper trial
Blueprint 3

Janet's Number ones. If you like Britney, Rihanna and Mariah you'll probs like her too

I second these
since you already own Electra Heart, how about Marina's first album, The Family Jewels? also:
Santigold - Master of my Make-Believe
Beach House - Teen Dream

Animal, Cannibal, The ArchAndroid, Loose, COADF, L.A.M.B., Robyn, Music, True Blue, Control, Rhythm Nation 1814, Janet., The Velvet Rope