(L-R) Nicole Kidman, Jessica Chastain, Jennifer Lopez, Normani and Jared Leto are known for their show-stopping looks at the Met Gala, fashion's biggest night. Getty Images / NY Post photo composite ...

PARIS, Sept 8 (Reuters) - Chanel and Dior are among a record number of top fashion brands that will introduce new designers' collections on the catwalk in the coming weeks, aiming to reignite shoppers ...