Katy Perry Tweeted THESE photos from American Idol.
![](https://static.wixstatic.com/media/a14f42_be5d1067d6f14861a2f4b4d1fd4fc989~mv2.jpg/v1/fill/w_147,h_170,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/a14f42_be5d1067d6f14861a2f4b4d1fd4fc989~mv2.jpg)
Her dress is the Alexander McQueen Leather Biker Dress. Buy it here: ALEXANDER MCQUEEN, BERGDORF GOODMAN, FARFETCH, HARRODS, NEIMAN MARCUS, and NET-A-PORTER
Her earrings are the Bottega Veneta Chain Hoop Earrings. Buy them here: BOTTEGA VENETA and FARFETCH
Her chain necklace is the David Yurman Madison Necklace. Buy it here: DAVID YURMAN
Her other more embellished chain necklace is the Justine Clenquet Lewis Necklace. Buy it here: JUSTINE CLENQUET
Her sandals are the Giuseppe Zanotti Eclissa Sandals. Buy them here: GIUSEPPE ZANOTTI and ORCHARD MILE
Get the look for less here: