Sarah Blue, born Katerina Blumelová on April 13, 1983, in Slaný, Czech Republic, is a retired Czech pornographic actress. A slim 5'5" blonde with 34B-25-36 measurements, blue eyes, and a navel piercing, she debuted in adult films in 2002 at age 19 and retired in 2013 after 11 prolific years. Known by aliases like Katja, Katy, Katerina, Sara Blue, and Sarah B., she starred in over 100 titles for studios including Evil Angel, Private, DDF Network, Zero Tolerance, and Jules Jordan. Her versatile performances spanned hardcore gonzo, anal, double penetration, facials, creampies, lesbian scenes, and American heterosexual DVDs from Red Light District, Anabolic, and Extreme Associates. Highlights include 'Euro Angels Hardball 20: DP Mania' (2003), 'Anal Driller 4' (2004), 'All Internal 3' (2007), and 'Best by Private 70: Lesbian Dreams' (2006). Sarah's youthful appeal and European flair made her a standout in international adult entertainment.