Newly single Caroline Flack flashes her bra in sheer grey top as she gets a brotherly hug from X Factor pal Dermot O'Leary at Esquire party

She was recently left devastated after it was claimed her boyfriend Jackl Street had grown close to Glee beauty Diana Agron . Caroline loocked fabulos in an oversized grey top through which her black bra was clearly visible leather leggings and strappy sandals.