1. Answer: It depends on everyone's taste and these rankings change all the time. According to RankMyPorn, at the moment, the top ranked Blondes Female Pornstars in the world are: Katie Morgan, Mia Malkova, Kenzie Reeves, Kali Roses, Elsa Jean, Bree Olson, Kayla Kayden, Alexis Adams, Shawna Lenee, Kayden Cross, but these will change based on what people vote.
2. Answer: It changes. You can see the latest rankings on RankMyPorn.com and also vote on it for free.