Since winning a television talent contest at 18, Leiva's fashion has evolved from youthful, approachable looks to sophisticated, trend-setting ensembles. Her current style often highlights:

No analysis of Angela Leiva’s style is complete without examining the details that frame her face: the hair and makeup. Her hair is a textural narrative in itself. In candid, behind-the-scenes shots from the gallery, she often appears with naturally wavy, voluminous locks—a nod to the accessible, "girl next door" quality that endears her to fans. But on stage and in official portraits, the hair is transformed into a weapon of mass attraction. We see sleek, high ponytails that pull her features taut and dramatic; voluminous, Old Hollywood waves that cascade over one shoulder; and, more recently, daring cuts with sharp, geometric bobs. Each hairstyle changes the geometry of her face, allowing her to oscillate between soft romanticism and sharp, editorial fierceness.