Shelley Catherine Hennig (born January 2, 1987) is an American model and actress. She is also a beauty pageant titleholder who held the Miss Teen USA 2004 title. She played Stephanie Johnson on Days of Our Lives and starred in the CW series The Secret Circle as Diana Meade. She played the character Malia Tate in Teen Wolf. Hennig also starred in horror films Unfriended as Blaire Lily and Ouija as Debbie Galardi. She has been nominated for two Emmys for her role on Days of Our Lives. She has won a 2016 Teen Choice Award. Hennig was born in Metairie, Louisiana, and later lived in Destrehan, Louisiana. She is the daughter of Cathy Distefano Gosset and Glenn H. Hennig Sr.
Hennig attended Destrehan High School where she was named an "Academic Excellence Student". She is an accomplished dancer, having won many awards in dancing competitions. She also enjoys writing, and two of her poems have been published in the Young Authors Book of Poetry. She also appeared on The Band Perry's music video for "Gentle on My Mind" alongside The Hunger Games actor Alexander Ludwig. In 2017, she starred in country music artist Maren Morris' music video for "I Could Use a Love Song."