Priscilla Meirelles de Almeida-Estrada (born 5 September 1983) is a Brazilian model, television host, actress, environmentalist and beauty queen.

[2] Her father Luis Claudio Almeida is an advertising company creative director and her mother, Marcia Regina Meirelles is a businesswoman.

She first co-hosted the Miss Earth 2006 won by Hil Hernández of Chile that took place in the grounds of the National Museum in Manila[6] followed by the Miss Earth 2007 pageant won by Jessica Trisko of Canada held at the University of the Philippines Theater in Quezon City,[7][8] and lastly the Miss Earth 2008 pageant that took place at the Clark Expo Amphitheater in Angeles, Pampanga where the Philippines' bet Karla Henry won the coveted crown.

[11][12][2] Filipino actor, host, and model John Estrada proposed to marry Mereilles on July 15, 2009 at Elbert's Steak House in Makati.

[15][16] John Estrada and Meirelles attended Sammanta Anechka's graduation, as class first honor at The British School Manila on June 15, 2024.