Aly & AJ is an American pop rock duo consisting of sisters Aly Michalka and AJ Michalka from Torrance, California. They signed with Hollywood Records and in 2005, they released their debut album Into the Rush. The album was certified Gold by the RIAA and contained the singles "Rush" and "Chemicals React". They followed this release with the albums Acoustic Hearts of Winter (2006) and Insomniatic (2007). The latter contained the Platinum single "Potential Breakup Song", which was a top 20 hit on the Billboard Hot 100.

Alyson Michalka is an American actress and singer-songwriter. Michalka rose to prominence with her starring role as Keely Teslow in the Disney Channel sitcom Phil of the Future (2004–2006). She went on to appear in various films, such as Bandslam (2009), Easy A (2010), The Roommate (2011), Grown Ups 2 (2013), Sequoia (2014), Weepah Way for Now (2015), and The Lears (2017). She had starring roles in The CW comedy drama series Hellcats (2010–2011) and the CW crime drama series iZombie (2015–2019), along with the Hallmark Channel Original Movie, Sand Dollar Cove (2021).