Demi Lovato performing live on American Idol on May 21, 2014 – photo: Ray Mickshaw/FOX

Demi Lovato stopped by the finale of American Idol last night to perform “Neon Lights” and her new single “Really Don’t Care” with contestants of the show. She wore a Haute Hippie Beaded Ravens Leather Moto Jacket ($1,695.00), a Rose-Cut Victorian Diamond Necklace by Amrapali (not available online), a pair of black Frame Denim Le Color Rip Skinny Jeans ($199.00), and a pair of metallic silver Saint Laurent Classic Paris 110 Ankle Boots ($975.74). Get the look for less with ripped black jeans from Tripp ($62.00) and silver ankle boots from Pour La Victoire ($85.99 – $102.00).

Paramore performing on American Idol on May 21, 2014 – photo: Michael Becker/FOX

Hayley Williams wore a Lip Service Be Nice-Or Go Away Double Sided Graphic Crop Tank ($33.00), a pair of Marc by Marc Jacobs Pinwheel Floral-Printed Silk Pants ($398.00), and a pair of UNIF Edge Platform Shoes in Pink Hologram ($155.00) during Paramore’s performance of “Ain’t It Fun” live on American Idol last night.

Rihanna leaving Mastro’s restaurant in Beverly Hills, California on May 19, 2014 – photo: AKM-GSI

Rihanna was spotted leaving Mastro’s restaurant in Beverly Hills a few days ago wearing a Joyrich Ghetto Pink Bear Tee ($57.00) available in black, a pair of Citizens of Humanity Vintage Racer Low Rise Skinny Jeans ($248.00), a Melody Ehsani Barbed Wire Design Chocker ($32.00) and a pair of Manolo Blahnik Chaos Ankle Strap Sandals ($725.00). You can get similar jeans from ASOS ($60.97) and shoes from John Lewis (£65.00).

photo posted by Echosmith on instagram

Echosmith stopped by an AllSaints store a few days ago and picked up some new clothes. Sydney Sierota wore an AllSaints Pip Shirt ($340.00) and an AllSaints Sens Leather Skirt ($340.00). Get the look for less with a lace yoke button-up from Oasis (£25.00 / $42.02) and a faux leather skirt from H&M ($24.95).

Hayley Williams with a fan at Universal Citywalk on May 21, 2014 – photo: rareparamore

Hayley Williams snapped a picture with a fan at a candy store yesterday wearing a UNIF No Pleasures Bomber Jacket (sold out), inspired by Joy Division’s iconic cover art for the album Unknown Pleasures.

Taylor Swift at the gym in New York City on May 19, 2014 – photo: AKM-GSI

Taylor Swift arrived at the gym in New York City a couple of days ago wearing an Oscar De La Renta A-Line Dress ($1,890.00), a Tod’s Sella Tote Bag ($1,898.77) and a pair of Prada Peep Toe Slingback Sandals (not available online). You can get the look for less with a dress from Piperlime ($39.97), shoes from Guess ($69.99) and a bag from Mango ($79.99).

Lea Michele out in New York City on May 21, 2014 – photo: AKM-GSI

Lea Michele arrived back at her hotel after appearing on the Elvis Duran Morning Show today wearing an Iro Luiga Leather Jacket ($1,346.00), a pair of Frame Denim Distressed Skinny Jeans ($409.93), a Cami NYC The Racer White ($138.00) and a pair of Bionda Castana Rosario Scalloped Heels ($690.28). You can get the look for less with a cami from Kohls ($18.00), a leather jacket from BB Dakota ($39.58), a pair of jeans from Topshop ($65.00), and white scalloped pumps from Betsey Johnson ($39.99).

photo posted by Rydel Lynch on instagram

Rydel Lynch posted a picture from behind the scenes at a photoshoot today wearing a pair of Shellys London Blue Floral Print Black Heeled Lace Up Ankle Boots ($114.32) from ASOS.

Rihanna shopping in Los Angeles, May 16th, 2014 – photo: AKM-GSI

Rihanna went shopping in Los Angeles last week wearing a Joyrich Memorial Garden Skater Dress (not available online) from the Spring/Summer 2014 Collection, a pair of Nike Air Max 90 Sneakers ($109.99), her Stella McCartney Beckett Backpack (£780.00) and a pair of Dior Exquise Sunglasses (£440.00, wrong color). She accessorized with her favourite Fallon Wide Herringbone Chain Necklace (sold out), and the Bunny Ring ($1,735.00), Double Teardrop Ring ($3,795.00) and Gemstone Center Eye Ring With Ruby ($2,125.00), all from Jacquie Achie with a Dior Golden Pearl Charm Ring (€1,611.41) and a Monsieur Dior Pearl Ring (sold out). You can get a similar backpack from Chicnova ($60.00).

photo posted by Leigh Anne Pinnock on instagram

Leigh Anne Pinnock posed with her friends in an instagram photo last night wearing a Topshop Jersey Bralet ($24.00), a pair of River Island Check Long Smart Shorts ($60.00) and her Topshop Oversized Flat Hoops ($9.00).