Olivia Cooke in "House of the Dragon." Credit: Theo Whiteman/HBO For Alicent Hightower (Olivia Cooke), green is out and blue is in. House of the Dragon's dowager queen made green her signature ...

In her walk down to the lake, she sheds her green cloak and dress until she's wearing only a simple white shift. Just like this is Alicent's first time out of King's Landing in over a season ...