Gomez is described as a pop singer, showcasing the genre in form of dance-pop and incorporating EDM into her sound. She is also noted to feature prominent influences of Eurodance,being also described as Europop. As her career has been progressing, she has been experimenting with a large number of music genres. While her debut album with The Scene was inspired in electronic rock and pop rock, her following records with the band opted for a moreelectropop-focused[ and dance-pop sound. A Year Without Rain noted a Eurodance feel and When the Sun Goes Down went into a more electro-disco- andteen pop-influenced musical direction. Her debut solo record Stars Dance was rooted in the EDM-pop genre, and Gomez herself described it as "babydubstep", featuring elements from multiple genres as electronic, disco, techno or dancehall. Her songs "The Heart Wants What It Wants" and "Good for You" have been described as "minimalistic" and "grown-up", transitioning her sound into adult pop.
Early in her music career, Gomez named Bruno Mars as her main influence, saying that she was influenced in everything he does from "his style of music, his style in general, the way he performs, the way he carries himself." Gomez also cites Christina Aguilera, Britney Spears, Beyoncé, Rihanna and Jennifer Lopez as influences.The singer also stated that she finds English singer Cheryl Cole as a significant influence to her artistry, "She made me feel better, I just love her music and I think she's a really nice person. She's been through a lot, but she carries herself with a lot of class and I love that." Gomez's debut solo album Stars Dance (2013) was prominently influenced by Spears, singer-songwriter Taylor Swift, and American electronic producer Skrillex. Her sophomore album, Revival (2015), was mainly influenced by Christina Aguilera's albumStripped (2003) and singer Janet Jackson.