Alyson Hannigan in Vena Cava
Alyson Hannigan attended the spring premiere party of How I Met Your Mother in this dress by Vena Cava in West Hollywood on March 13th.
Delongpre Dress
$435 at barneys.com

Alyson Hannigan attended the spring premiere party of How I Met Your Mother in this dress by Vena Cava in West Hollywood on March 13th.
Delongpre Dress
$435 at barneys.com







