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Rebecca Mary "Becky" O'Donohue (born July 13, 1980) is an American actress, model, singer, and reality TV show contestant. She is sometimes credited as Rebecca O'Donohue. Becky was a semi-finalist in the fifth season of American Idol.[1] Becky guest starred on Psych, episode Not Even Close... Encounters in July 2010. She made an appearance in the TV sitcom, The Big Bang Theory, playing the role of Siri, as well as The Mentalist episode Red is the New Black.

She has an identical twin sister Jessica Elleanore "Jessie" O'Donohue who is also an actress, model, and singer (who did not sing on American Idol due to throat surgery), most recently appearing in Harry's Law. Both appeared together in a special Twins episode on Fear Factor where they were eliminated on the first stunt, Maxim (magazine)|Maxim magazine in 2004,[2] and the Sister Act episode of Minute to Win It on which they won $50,000. They are from Dobbs Ferry, New York. Becky and Jessie, who come from an Irish and Greek family, graduated in 2003 from Niagara University. Becky obtained a full scholarship. While at Niagara, the two played on the women's Division I basketball team, while Becky was All State in volleyball and captain of both teams.


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