Little Mix's Perrie slaying it in this little black number! This image appears in the gallery:#CapitalJBB: MUST-See Sunday Pictures Including Justin Bieber, Ellie Goulding & More 42. Little Mix's Perrie slaying it in this little black number! Picture: Richard Johnson 81 images See the full gallery: #CapitalJBB: MUST-See Sunday Pictures Including Justin Bieber, Ellie Goulding & More