The Pretty Reckless performing at Le Splendid in Lille on March 23, 2011 by Jérôme Pouille

Taylor Momsen wore Allure Lingerie’s Vinyl Dress ($41.99) while performing in Lille, France on Wednesday night. The dress is quite similar to the lace-up vinyl dress which she wore this fall.

the dress is available in many more stores, including Supermodel Boutique: $43.83, Best Line Lingerie: $49.42, Lingerie Specialists: $49.39, and Allure Store: $51.99

Imelda May on the red carpet at the 2009 Meteor Awards, photo by Niall O'Farrell

Dublin rockabilly singer Imelda May wore the Green Leopard Print Wiggle Dress by Collectif Clothing ($75.99) at the 2009 Meteor Ireland Music Awards, where she both performed and won the award for Best Irish Female act.

Sierra Kusterbeck wearing her arrow earring

Sierra has often been seen wearing a dangling, arrow earring from her cartilage.

Similar earrings can be found on Etsy for a fair price.

cravejelwerydesign - $13

friendlygesture - $15

Papavier - $25

littlepancakes - $13

beatricebosquez - $26

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Taylor Momsen performing in Kiki de Montparnasse dresses

Taylor Momsen owns shortened versions of the Siren Dress ($450) by lingerie designer Kiki de Montparnasse in both black and red. She wore the black version while performing with her band The Pretty Reckless at the Warped Tour kick-off party in April 2010 and the red version at the Atlanta date of the 2010 Warped Tour.

taken by Kim Vasquez at NeverSayNever Festival 2011

11:11 Apparel Wish For Peace Bracelet – $5.00 [exact]

Avril Lavigne at her "Goodbye Lullaby" Release Party in New York City on March 8, 2011

For the release party of her new album Goodbye Lullaby, Avril Lavigne wore Betsey Johnson’s Peggy Sue Strapless Dress ($428), which has a magenta sequin tube top and a tulle peeking out of the skirt. She toughened up her look with Dr. Martens 1B99 14-Eye Zip Boot ($130) and accessorized with the matching Supercharm Waterfall Necklace ($245) and Triple-Row Cuff Bracelet ($120) from Tarina Tarantino’s “I Love/Hate/Bleeding Hearts” collection.

Ellie Goulding performs at SXSW on March 18, 2011 by Suzi Pratt

British pop singer Ellie Goulding played at Fader Fort in Austin, TX during the SXSW music festival on Friday wearing a Wildfox tank top with “Love Hurts” written in bones. You can buy the black version of her tank top for $70 at Singer22 or Shopbop.

Ke$ha at Future Music Festival Perth on March 6, 2011 – photo: Michael Spencer

Ke$ha performed at Future Music Festival in Perth Australia wearing a destroyed American flag top with American Apparel’s Geo-Mesh Tights ($24.00).

Ellie Goulding's Secret Busk @ St-Martin-In-The-Fields - Trafalgar Square by Jordan Klugman

At a secret performance in London’s Trafalgar Square on March 3rd, 2011, Ellie Goulding wore Topshop’s Cream Contrast Trim Lace Sleeveless Shirt ($56/£28) underneath a cardigan and jacket.

Katy Perry photographed by Mark Hunter

Katy Perry recently filmed a commercial for designer Jeremy Scott’s Adidas Originals collection. Here she wears the coordinating Buttons Dress ($140) and Buttons Jacket ($160) with Sneaker Wedges ($728).

Katy Perry photographed by Mark Hunter

Katy wears the Mirrors Track Top ($350) with a matching bra and the Mirrors 3/4 Pants (€179).

left: Katy Perry by Mark Hunter, right: Jeremy Scott Fall 2006 RTW

In this shot, Katy wears the French Fries Swimsuit (€79), which uses a print that appeared on multiple looks in Jeremy Scott’s Fall/Winter 2006 “Eat The Rich” collection.