Elvis Presley’s granddaughter and “Daisy Jones & The Six” star Riley Keough, who famously swung on a swing in a giant bird cage at a recent Chanel show, jumped up from her front row seat to share her excitement about being a brand ambassador. “It’s amazing. I feel so lucky to be involved with the House,” she said.

PARIS — By all logic, Chanel should be floundering. A global juggernaut without a captain, the house has been in limbo since the abrupt departure of Virginie Viard, drifting toward an uncertain horizon while awaiting the arrival of Matthieu Blazy in the fall.