Halloween 2011: Best Celebrity-Inspired Costumes

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Eden Wood

This six-year-old Toddlers and Tiaras star announced that she was retiring from biz when she completed her last beauty pageant in August. Even better: get an overzealous friend to pose as your stage mom.

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The Duke and Duchess of Cambridge

The British royals became American superstars when they married on April 29. And while getting Prince William's suit and Duchess Kate's blue dress is easy, the accessory to complete the ensemble is a replica of Kate's sapphire engagement ring ($34.95, sears.com).

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Pan Am Stewardess

One of ABC's new primetime TV shows also lends to a great Halloween costume. Here, Christina Ricci (Maggie Ryan) shows how it's done in this 1960s flight attendant uniform.

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Lady Gaga as Jo Calderone

The pop megastar brought back her cigarette-smoking, New Jersey-accent speaking male alter ego for the 2011 MTV Video Music Awards, whom she debuted in Vogue Hommes Japan Sept. 2010.

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Princess Beatrice

Prince William's little cousin nearly stole the show at his April 29 wedding to Kate Middleton, when the royal topped things off in this over-the-top fascinator designed by Philip Treacy.

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Kim Kardashian and Kris Humphries

After just six months of dating, the NBA player proposed to the E! reality star in May; they married just three months later in a wedding a ceremony that cost a reported $20 million.

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Jennifer Aniston and Justin Theroux

Fans rooting for Jen were jumping up and down when the star began surfacing with the motorcycle-riding screenwriter/actor. Influenced by her main squeeze, we've seen the actress' style become more edgy and daring as their relationship progressed.

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Pippa Middleton and Prince Harry

America became obsessed with Duchess Kate's little sister, who also happens to be quite the style star in addition to having some great assets. Meanwhile Wills' younger, single brother remains the object of many girls' affection.