Me da la gana is a very common and expressive way to say 'because I feel like it' in Spanish. It's much more emphatic and defiant than simply saying 'porque quiero' (because I want to).
In 'Mala Fama', Danna Paola uses it to assert her independence against the gossip surrounding her. She sings, "Yo hago lo que quiero si me da la gana" (I do what I want if I feel like it), making it a powerful statement of self-confidence and a fantastic phrase to add to your vocabulary.
In "Mala Fama," Danna Paola hits back at all the gossip about her love life. She kicks things off by saying people think she has a "mala fama" (bad reputation) because she falls in love at night and is over it by morning. But she's not sorry! She says it's not her fault, explaining, "Yo soy exigente y los nenes se asustan" (I'm demanding and the boys get scared). She has high standards, and she's not afraid to list them out.
She's looking for a guy who is single, smart, good-looking, and has a good sense of humor. It's a pretty straightforward list! Danna Paola even calls out specific rumors, name-dropping famous singers like Maluma, Yatra, and Ozuna, and flatly denying any romance. She makes it clear she's not looking for a "Romeo de fin de semana" (weekend Romeo) who makes empty promises. Instead, she says, "Yo duermo sola en mi cama / Y no me preocupa mi mala Fama" (I sleep alone in my bed / And my bad reputation doesn't worry me). The song is a fun, confident anthem about knowing what you want and not caring what anyone else thinks.