Pale frosty pink lip gloss on the lips is a favourite for the porn star look. Pair it with deep pink liner for a really authentic look. lol. They tend to either go for cool shades on the eyes and lips (like dark navy, pale blue on the eyes and pale pink lips, mauvey pink cheeks) or warm bronzey, gold and black eyes with peachy blush on the face and either red or champagne lip gloss.
Eye shadows like MAC Contrast (dark navy) with a lighter blue like MAC Brill would work, with Chanel Marine Kohl. Bloom Cosmopolitan is a great frosty pale pink lip gloss.
MAC Carbon eye shadow is a good one for a plain black one, and pair with MAC Bronze or Tempting e/s, Urban Decay Half Baked e/s, black eyeliner, NARS Torrid blush perhaps, and revlon Toast to Shine lip gloss. If doing red, MAC Russian Red Lip Glass.
Also remember lots of pale shimmer on the brow bones, defined brows, bronzer, and highlighter powder all over. MAC Prrr Lip Glass with liner would be great for a warm look as well.
So lots of shimmer, lots of eyeliner and dark eye shadow, lots of blush, bronzer, mascara and highlighter and lots of gloss!