Rhaenyra Targaryen is a fictional character in the A Song of Ice and Fire series of epic fantasy by American author George R. R. Martin, appearing in the 2013 novella The Princess and the Queen and the 2014 novella The Rogue Prince. Her story was later expanded and revised in 2018 book Fire & Blood, styled to be fictional chronicle of Westeros. She has been called "the face" of the television adaptation House of the Dragon, and is portrayed by Australian actress Milly Alcock as a teenager and primarily by English actor Emma D'Arcy as an adult. The character and D'Arcy's performance in particular have been met with critical acclaim.