Julianne HoughAll-American cutie Julianne Hough has become a breakout 'Dancing' star! (Photo: By: Michael Buckner/Getty Images)
Jessica BielIt was clearly in the stars, that "7th Heaven" star Jessica Biel was meant for bigger and better things. (Photo by Vittorio Zunino Celotto/Getty Images)
Jennifer Love He...Jennifer Love Hewitt always seems to be wandering around in the wispiest of t-shirts and nighties when she sees dead people on 'Ghost Whisperer,' ensuring her a spot on any 'sexy' list. (CBS)
Heidi KlumAre you in or are you out? Who cares when you're getting the 'auf Wiedershen' from 'Project Runway's' supermodel host Heidi Klum?! (Photo by Getty Images)
Christina Hendri...'Mad Men's' Christina Hendricks put the va-va-voom back into TV! (Photo: AMC)
Jennifer AnistonShe may be a movie star now--and the most famously dumped celebrity wife since Debbie Reynolds lost Eddie Fisher to Liz Taylor--but Jennifer Aniston will always be our best 'Friend,' ditzy Rachel Green. (Photo by Getty Images)
Billie PiperEnglish actress Billie Piper heats up Showtime's 'Secret Diary of a Call Girl.' (Showtime)
Tricia HelferSix is one hot Number on 'Battlestar Galactica' where Tricia Helfer plays a seductive Cylon.
Jennifer GarnerJennifer Garner's TV 'Alias' Sydney Bristow made her a household name. From donning sexy costumes to kicking bad-guy butt, baby-faced Garner was surprisingly perfect as a college kid turned spy girl. (ABC)
Sarah Michelle G...SMG took a bad movie and turned it into a cult hit TV show when the Chosen One staked her claim as 'Buffy, the Vampire Slayer.' (Fancast)
Alyssa MilanoAfter eight years playing Sam Micelli on "Who's the Boss?" Alyssa Milano moved on to the WB, where she "Charmed" her fans even more. (Photo: By Joe Corrigan/Getty Images)
Eartha Kitt and ...Talk about a hissy fit. Batman's sexiest villain had two stunners suit up as Catwoman, and both were so equally purr-worthy that we refuse to pick between them! (Fancast)
Jaclyn Smith, Ka...Farrah Fawcett is often singled out as the face of 'Charlie's Angels' but some forget she left after the first season. So while Sabrina was the brains and Jill was the beauty, Jaclyn Smith's Kelly Garrett was both. (Fancast)
Catherine BachCatherine Bach's Daisy Dukes were a hazzard all by themselves on 'The Dukes of Hazzard.' (Fancast)
Heather LocklearWho knew such a sweet face could play such a bitch? Heather Locklear became known as a good luck charm for joining existing shows and working her ratings magic. See 'Dynasty,' Melrose Place' and 'Spin City.' (Fancast)
Diana RiggBritish agent John Steed (Patrick Macnee) had several female partners (007's Honor Blackman was one) on 'The Avengers.' But it's Diana Rigg's smart and seductive Emma Peel who became legendary. Rigg later went on to become the one and only--if short-lived--Mrs. James Bond. (Fancast)
Lynda CarterYou knew Wonder Woman would turn up, right? It doesn't matter that the show was cheesy (wasn't the entire seventies?), the superheroine is an icon. (Fancast)
Katherine HeiglShe's the sensitive, sweet one on 'Grey's Anatomy,' so enjoy Izzie Stevens while you can before rising star Katherine Heigl jumps ship for her booming movie career. (ABC)
Peggy LiptonNatural beauty Peggy Lipton became a pop-culture icon of the late '60s with her hit 'The Mod Squad,' in which three troubled teens went undercover for the cops. (Fancast)
Rashida JonesPeggy Lipton's daughter with music man Quincy Jones, Rashida Jones came into her own when she landed a recurring role on 'The Office,' where she (temporarily) stole Jim from Pam. And you didn't hate her for it either, a testament to Jones' likability factor. (NBC)
Jessica AlbaJessica Alba got her big break playing a "Dark Angel" on the short-lived but much-loved Fox series (2000-2002) from James Cameron. (Photo: FOX)
Evangeline LillyNewcomer Evangeline Lilly became on overnight sensation when audiences' 'Lost' their minds over her mind-bending adventures on that mysterious island. (ABC)
Anna FrielAdorable British import Anna Friel stole TV hearts on ABC's whimsical 'Pushing Daisies,' where she plays Ned's childhood sweetheart Chuck. If she's still unfamiliar to you, just wait for her new movie to come out: the 'Land of the Lost' remake with Will Ferrell. (ABC)
Eva LongoriaThe least 'Desperate' and most outrageous housewife has to be Eva Longoria Parker, seen here rooting on hubby Tony Parker of the San Antonio Spurs in Game 5 of the NBA Western Conference basketball finals, Thursday, May 29, 2008 in Los Angeles. (AP Photo/Kevork Djansezian)
Pamela AndersonIt's the famous red bathing suit that launched a career...Pamela Anderson jiggled to international stardom thanks to the frivolous fun that was 'Baywatch.' (Fancast)