Ruby Wylder Rivera Modine (born July 31, 1990) is an American actress, singer/songwriter, and music producer. She is best known for her performance as Sierra Morton in Shameless, and as Lori Spengler in the 2017 slasher film Happy Death Day and its sequel Happy Death Day 2U. 

​As an actor, Modine has shown range in drama, comedy, action, and romance. Modine is also a voice actor and has lent her voice to a variety of films, television, and commercials.

​Modine will be seen next in the film FEAR, set to release January 27, 2023. Modine will also be stepping behind the camera and into writing and directing. As often as possible, Modine performs all of her own stunts.

In 2020, Modine released the album The Infinity Mixtape and has since released a number of singles including This Land is Your Land, Lila, Rooftops,  and Who are you Really?  Modine’s music can be found on all streaming platforms.