Celebrities have some of the best skin gurus in the country at their disposal, and plenty of cash to splurge on skin-perfecting treatments. But why then do some of them have less than perfect skin? Could it be the late-night partying? Too much fun in the sun? Read on to find out — you may just learn a thing or two about how to take better care of your own skin.

The similarities between these two fair-haired songbirds is striking (beyond boy-toy choices). Whether you're on Team Jess or Team Carrie (or you're cheering for both), it's clear they're both style icons in their own right. But which diva takes the crown in a direct faceoff? Let's find out ...

In a perfect world, we'd all have flawless-looking skin. In reality, few of us are that lucky. However, some of you are fortunate enough to live where the conditions are ideal for skin. We looked at pollution levels, amount of sunshine, tanning beds per capita, humidity, number of smokers, stress, diet and more to find the places best suited for your skin. Check them out, maybe it's time to relocate?

We hate to get preachy on you, but if you want your skin to look great well into your 80s, you'll follow this advice, courtesy of Audrey Kunin, M.D., founder of DERMADoctor; David Bank, M.D. author of "Beautiful Skin: Every Woman's Guide to Looking Her Best at Any Age" and Olga Lorencin, owner of Kinara Skin Care Clinic in Beverly Hills, Calif. When asked what the worst possible things for our skin are, these topped their lists. So now, repeat after us, "thou shalt not" ...

If you're planning a wedding (or just going to one) in this economy, you're probably looking for ways to cut costs. One way: do your own hair or have a friend do it. You can still look gorgeous on your big day with one of these celebrity hairstyles. Here Herbal Essences celebrity hairstylist Charles Baker Strahan shares steps for recreating them at home, plus gives general wedding-day hairstyle tips. See more wedding hair tips at Bridal Beauty.