Femme Fatale: BIG FAT BASS and Don't Keep Me Waiting (Even though I love it!).
Born This Way: All three deluxe edition songs: The Queen, Black Jesus, and Fashion of His Love. I know the OP only says two but I couldn't help but mention those 3.
The Fame: Brown Eyes, Again Again.
Circus: Mmm Papi, My Baby.
Blackout: Heaven on Earth, Why Should I Be Sad.
Good Girl Gone Bad: Say It, Lemme Get That.
Loud: Raining Men, Love the Way You Lie Part II.
Rated R: G4L, Wait Your Turn.
Loose: Do It, Showtime.
Britney: Boys, I Love Rock n' Roll.
In the Zone: Showdown, Brave New Girl.
Bionic: My Girls, Sex For Breakfast.
Like A Prayer: Love Song, Spanish Eyes.
Confessions on Dance Floor: How High, Jump.
American Life: I'm So Stupid, Mother and Father.
Ray of Light: Drowned World, Little Star.
Bedtime Stories: I'd Rather Be Your Lover, Don't Stop.
Music: What It Feels Like for a Girl, Runaway Lover.
MDNA: Turn Up the Radio, B'Day.
4: I Miss You, Rather Die Young.