Alicent's green dress in 'House of the Dragon' is a major power move. Here's why it's so important.

The wedding of Rhaenyra Targaryen (Milly Alcock) and Laenor Velaryon (Theo Nate) may have ended in a bloody brawl, but the real battle started when Alicent Hightower (Emily Carey) walked into the wedding feast wearing that dress. A gorgeous green gown fit for Alicent's status as queen, this dress was more than just a killer...