Downton Abbey stars Michelle Dockery and Laura Carmichael enjoy co-star's 60th birthday in Mayfair : r/DowntonAbbey

Downton Abbey's Michelle Dockery and Laura Carmichael wow at last-ever wrap party

Michelle Dockery reveals she was living in a student house before getting big break on Downton Abbey

Who Said It? 'Downton Abbey' Edition

Laura Carmichael and Michelle Dockery arrive on the red carpet at the 'Downton Abbey' Season Four cast photo call at Millenium Hotel in New York City on December 10, 2013. UPI/John Angelillo

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Downton Abbey's Michelle Dockery and Laura Carmichael wow at last-ever wrap party

Downton Abbey's Michelle Dockery and Laura Carmichael reunite at star-studded event

Downton Abbey's Michelle Dockery and Laura Carmichael Reunite at Schiaparelli's Paris Show

Michelle Dockery, Overview

Michelle Dockery, Overview

Laura Carmichael and Michelle Dockery at the DOWNTON ABBEY - A NEW ERA New York Premiere - Tom + Lorenzo

Downton Abbey ladies Michelle Dockery, Lily James and Laura Carmichael play dress up for Harper's Bazaar, London Evening Standard

Downton Abbey: Michelle Dockery, Laura Carmichael & Elizabeth McGovern wow on red carpet, Celebrity News, Showbiz & TV

Downton Abbey' Michelle Dockery reunites with costar Laura Carmichael

Michelle Dockery and Laura Carmichael Play a Game of Who Wore It: Downton Abbey Edition