1989(01 of24)
Open Image ModalWearing the perfect peasant dress, which is so on-trend now. (credit:Ron Galella, Ltd. via Getty Images)
1990(02 of24)
Open Image ModalFloral blouses and felt hats have never looked this cool. (credit:Ron Galella, Ltd. via Getty Images)
1991(03 of24)
Open Image ModalThe power suit to end all power suits. (credit:Ron Galella, Ltd. via Getty Images)
1992(04 of24)
Open Image ModalThat hair, though. (credit:Ron Galella, Ltd. via Getty Images)
1992(05 of24)
Open Image ModalDenim overalls forever! (credit:Ron Galella, Ltd. via Getty Images)
1993(06 of24)
Open Image ModalShe looks like a mime and we love it. (credit:Ron Galella, Ltd. via Getty Images)
1994(07 of24)
Open Image ModalClearly, Christina was going through her goth phase. (credit:Ron Galella, Ltd. via Getty Images)
1997(08 of24)
Open Image ModalDark lipstick is coming back in style this fall. Christina was ahead of the trend. (credit:Jim Smeal via Getty Images)
1997(09 of24)
Open Image ModalTo celebrate Elizabeth Taylor's birthday, Christina Applegate did the late Hollywood star proud in this sexy number. (Although she could've worn more jewels.) (credit:Ron Galella, Ltd. via Getty Images)
1998(10 of24)
Open Image ModalLooking like a hot high school teacher. (credit:Ron Galella, Ltd. via Getty Images)
1998(11 of24)
Open Image ModalChristina has quite the collection of power suits, but this one looks even better next to her dark red lip. (credit:Russell Einhorn via Getty Images)
1999(12 of24)
Open Image ModalWe'll never forget this strapless pink floral number. Satin shawls, forever! (credit:ASSOCIATED PRESS)
1999(13 of24)
Open Image ModalCan't you picture Anne Hathaway wearing this at the "Interstellar" premiere? Maybe it's just us. (credit:Ron Galella, Ltd. via Getty Images)
1999(14 of24)
Open Image ModalChristina wore the epitome '90s dress: spaghetti straps, a thigh-high slit and a slim silhouette. (credit:Frank Micelotta via Getty Images)
1999(15 of24)
Open Image ModalWelcome to Christina Applegate's boudoir phase. (credit:Ron Galella, Ltd. via Getty Images)
1999(16 of24)
Open Image ModalGreen leather trousers. That's all. (credit:SGranitz via Getty Images)
2000(17 of24)
Open Image ModalAn ethereal goddess in purple. (credit:Ron Galella, Ltd. via Getty Images)
2000(18 of24)
Open Image ModalWhen halterneck skater dresses were in style. (credit:Ron Galella, Ltd. via Getty Images)
2003(19 of24)
Open Image ModalOur favourite look ever: '20s-inspired drop-waist gown in the palest of blues. (credit:ASSOCIATED PRESS)
2005(20 of24)
Open Image ModalLet us never forget the time we all wore jeans under our dresses. (credit:L. Cohen via Getty Images)
2005(21 of24)
Open Image ModalRocking Old Hollywood waves and a pretty gold cap-sleeve dress. (credit:ASSOCIATED PRESS)
2007(22 of24)
Open Image ModalKilling it in purple satin. (credit:ASSOCIATED PRESS)
2007(23 of24)
Open Image ModalA glamour queen in a fishtail gown. (credit:ASSOCIATED PRESS)
2009(24 of24)
Open Image ModalYou can't go wrong with a one-shouldered gown. (credit:ASSOCIATED PRESS)