Question: is petra really a twin?
Answer: Yael Grobglas. Yael Grobglas (Hebrew: יעל גרובגלס‎; born 31 May 1984) is an Israeli actress, best known for her roles as Petra Solano and her twin sister Anežka on The CW's television series Jane the Virgin. ... Grobglas is also known for her role as "The Girl" in the interactive video of We the Kings "Say You Like Me".