Ruby Wylder Rivera Modine (born July 31, 1990) is an American actress and singer, best known for playing Sierra Morton in Shameless.

[3][4] She also co-starred in the 2017 slasher film Happy Death Day,[5] as well as in its sequel as Lori Spengler.

She is the lead singer of the band Ruby Modine and the Disease.

[9] On November 8, 2016, she was cast to co-star in the slasher film Happy Death Day starring Jessica Rothe and Israel Broussard.

[10] Modine reprised her role in the 2019 sequel, Happy Death Day 2U.