Cher may not be able to turn back time, but we sure can.

As the still-foxy 64-year-old returns to the big screen in "Burlesque" (out Nov. 24), we look back at how her jaw-dropping style has evolved over the years.

Bring on the black thong bodysuits!

Meanwhile, check out co-star Christina Aguilera's style journey.

While Cher's appearance has held up nicely, others haven't fared so well. Check out these stars who lost their looks.