In 2013, Megan Fox was unveiled as the face of Avon’s "Instinct" fragrance, a campaign that emphasized her allure and natural beauty. Known for her captivating presence, Fox embodied the sensual and untamed essence of the fragrance, which was designed to evoke primal attraction and raw confidence. The campaign featured Fox in a lush, jungle-inspired setting, exuding elegance and an aura of mystery that perfectly aligned with the fragrance's theme.

Avon described "Instinct" as a bold and seductive blend of wild fruity and floral notes, capturing the essence of fearless femininity. Fox’s involvement brought star power to the campaign, drawing attention from her global fan base and reinforcing Avon’s reputation for glamorous yet accessible beauty products.