Complex sentence: Alexis Merizalde Knapp (born July 31,1989) is an American actress and singer known for her role as Stacie Conrad in the musical films "Pitch Perfect" (2012), and its sequel "Pitch Perfect 2" (2015).
Split into simpler sentences: Alexis Merizalde Knapp (born July 31,1989) is an American actress and singer. She is known for her role as Stacie Conrad in the musical films "Pitch Perfect" (2012) and "Pitch Perfect 2" (2015).