Slumber Party Theme #1: Mystical NightBecause it's not a true sleepover party until someone gets totally freaked out.Dress code: Your best gypsy outfit, including a scarf around your head and lots of jingling bracelets and anklets.Music: Enya or Llamya.Movie: The Craft or Practical Magic.Eats: Fortune cookies (maybe after some yummy Chinese takeout!).Beauty essentials: Body Bindi jewels, aromatherapeutic lip gloss (Tony & Tina make a great one), Aura perfume from American Eagle.Games: Play the classics like "Light as a Feather, Stiff as a Board" and "Bloody Mary." Then break out your Ouiji board or hold a séance (to learn how, go to www.soyouwanna.com/site/syws/seance/seance.html).Book: Read Your Future by Jane Struthers, a collection of fortune-telling techniques like Cartomancy (using a regular deck of cards) and Palmsitry.Slumber Party Theme #2: Grease Night Because grease is the word. So cheesy! So fun!Dress code: Come as your favorite Pink Lady.Music: The movie's soundtrack.Movies: Grease, duh! Plus the sequel, Grease II, as a surprise bonus for your guests.Eats: Make a snack for every movie scene — popcorn and hot dogs for the drive-in scene, cheese fries and milkshakes for moments at the diner, and cotton candy at the last-day-of-school carnival, when Olivia Newton John turns bad!Beauty essentials: Face masks, old-school hot rollers, perfume to spray onto love letters to the boy you like. (Feel free to throw them away at the end of the night, though we suggest being bold and actually sending them!)Games: Best Rizzo impersonation and a karaoke contest with the Grease soundtrack.Book: Frenchy's Grease Scrapbook: We'll Always Be Together! by Didi Conn, about the making of the film.

Slumber Party Theme #3: '80s NightBecause this era just gets better with age.Dress code: Acid-wash jeans, off-the-shoulder sweatshirts, headbands, legwarmers.Music: Cyndi Lauper's Time After Time and Madonna's Immaculate Collection. Or plan your fiesta around VH1's We Are the '80s.Movie: Fast Times at Ridgemont High or any John Hughes flick — we recommend Sixteen Candles or The Breakfast Club.Eats: Tang, Cheetos, astronaut ice cream.Beauty essentials: Crimped hair, lots of glitter, neon eye shadow, and bright pink lipstick.Games: Who Can It Be Now? The Lyrics Game That Takes You Back to the '80s, One Line at a Time by Peter Thomas, and of course the Rubix cube.Book: Timelines: The 1980s by Jane Duden and Gail Stewart, featuring the history and trivia of this rockin' decade.Slumber Party Theme #4: Around the World NightBecause you are so very sophisticated and cosmopolitan.Dress code: Silk Chinese pajamas, Harem pants.Music: You've got talent from the entire planet to choose from, so whatever you want. You could start with The Hives from Sweden, Kylie Minogue representing Australia, and Craig David, a very sexy Brit.Movie: Around the World in Eighty Days. Or anything with cute guys from abroad — like our crush du jour, Jude Law.Eats: Make your own sushi (go to http://www.sushilinks.com for recipes).Beauty essentials: Indian Henna tattoos, French manicures.Games: "Where in the World Is Carmen Sandiego?"Book: The World Almanac and Book of Facts 2002.