"The Real Housewives of Orange County" are turning 100 ... and they still look good.

The original "Real Housewives" show airs its 100th episode tonight and Bravo is celebrating the milestone with a two-hour 100th episode special featuring many of current and favorite former "OC" housewives. Jeana Keough, Lauri Peterson, Jo de la Rosa, Tammy Knickerbocker, and Lynne Curtain will all return to reflect on the show's eight seasons.

Vicki Gunvalson, The OG of the OC, has outlasted them all, and looks better than ever thanks to a little nip/tuck. Click on the "Launch Gallery" link above to see how the women of Coto de Caza have "changed" throughout the years. Some are barely recognizable from their former selves!

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