Da-na-na-na, da-na-na-na -- chh-chh! Kelly Taylor and Brenda Walsh (aka Jennie Garth and Shannen Doherty) were the ultimate '90s blonde/brunette duo. They started out as best friends, but eventually the bad boy of West Beverly, Dylan McKay, came between our dark and light coiffed frenemies.
In fact, according to co-star Tori Spelling, the actresses allegedly got into a fistfight in real life. Both Garth and Doherty deny this claim, and even agreed to act together again on the new "90210." Donna Martin graduates ... or Donna Martin lies? That IS the question.