Simply mentioning titles such as "I'm a Slave 4 U," "Sk8r Boi," The O.C., "Rhythm Nation" and Swordfish brings back fond memories from different periods of our past. In turn, we're also reminded of their significance in pop culture's history, and, sadly, how far the talents involved have fallen off. With the return of Britney Spears through her new single, "Hold It Against Me," we got to thinking about the almost-immortalized women in the entertainment industry that are (finally) making a comeback this year. Whether it's through film, reality shows, new albums, or world tours, these sexy ladies who've already defined the past couple of decades are revamping their careers to prove their resiliency. And looking damn good while doing so, no doubt. Check out the 11 celebrity hotties who are seeking redemption in 2011.