Complex sentence: Martha Seifert Hunt (born April 27,1989) is an American fashion model who walked the Victoria's Secret Fashion Show in 2013,2014, and 2015 and has been a Victoria's Secret Angel since 2015.
Split into simpler sentences: Martha Seifert Hunt (born April 27,1989) is an American fashion model, who walked the Victoria's Secret Fashion Show in 2013,2014, and 2015. Hunt has been a Victoria's Secret Angel since 2015.