Rihanna at the Diamonds World Tour Afterparty in NYC May 7th, 2013 – photo: rihannalounge.com

Rihanna partied at the Diamonds World Tour afterparty in New York City the other night wearing a Grey Rihanna Knot Front Cropped Cami Top ($45.00) from her collection for River Island.

Selena Gomez leaving her hotel in Miami May 11th, 2013 – photo: AKM-GSI

Selena Gomez greeted fans today while leaving her hotel in Miami wearing a Smiley Silk Vest ($128.00) from All Saints.

“#MixersMagnetsUK are you ready??” – Little Mix on twitter

Leigh Anne performed with her bandmates yesterday wearing a Kuccia 80s Spot Print Bomber Jacket (£56.00).

photo posted by Ariana Grande on Instagram

Ariana Grande posted a picture wearing the I Love Valley Girl Fox Tank by Wildfox Couture ($48.00) on the soundcheck for Wango Tango.

“#MixersMagnetsUK are you ready??” – Little Mix on twitter

Jade Thirlwall poses with the Little Mix backstage their Mixers Magnets UK event. She wore a Galia Tartan Studded Shirt from Missguided ($51.28), the Tulisa TFB Leather Look Skater Skirt (£19.00), Topshop Over the Knee Socks (Sold Out) and a pair of Dira Tartan Point Plataform Boots by Boohoo ($70.00)

Melanie Martinez backstage at First Avenue in Minneapolis, MN on May 10, 2013 – instagram

Melanie Martinez wore The LA Boutique Never Say Goodbye Dress in Green ($28.95) from Miss KL at her concert in Minnesota last night.

Kate Nash visiting Side One Dummy Records on May 10, 2013 – instagram

Kate Nash stopped by the Side One Dummy Records offices in Los Angeles, CA before her show at the Troubadour last night wearing a pink babydoll Lazy Oaf Fun Dress (£65.00).

“Shhhhtudio coffee break perch” – Carah Faye Charnow on instagram

You can get a gray tee with faux leather sleeves like Carah Faye’s at Forever 21 ($13.80), Piperlime ($39.00), or Nasty Gal ($48.00). Despite the price difference it looks like the same exact tee in all three stores.

“#MixersMagnetsUK are you ready??” – Little Mix on twitter

Yesterday, the Little Mix girls performed at their Mixers Magnets UK event. Jesy wore a Jennifer Hope Black Logo Vest (£20.00), a pair of Jennifer Hope Siamese Mirror Scale Blue/Purple Leggings (£50.00) and her favourite KTZ Lace Up Boots ($724.95 ).

Paramore fan photo with thismindisacurse on tumblr

Hayley Williams met with fans wearing the Printed Floral Biker Jacket from Topshop ($150.00). If it’s out of stock in your size, you can get a similar jacket from River Island ($299.25).