Dress: Cap sleeve taffeta dress by Armani Collezioni
Lily Aldrin (played by Alyson Hannigan) on How I Met Your Mother on CBS was spotted wearing this metallic grey dress with front pleats on How I Met Your Mother on episode 'The Ashtray' (8x17) in Feb 2013. Lily's Dress is the Cap sleeve taffeta dress by Armani Collezioni.