and Derry Girls star Nicola Coughlan on the pink carpet!By now you've surely seen your fair share of stunning looks from the various and events. Issa Rae, America Ferrera, and especially have been serving and slaying for days. But this is the first time we've seen Coughlan—who plays Diplomat Barbie in the sure-to-be blockbuster—strut her stuff for a photo call.