Kelly Sheehan (born July 26, 1983), also known as Madame Buttons, is a songwriter and recording engineer from Los Angeles.

Sheehan has written songs for Kylie Minogue, Beyoncé, DJ Khaled, Mary J. Blige and others. She has engineered for Justin Bieber, Mariah Carey, Chris Brown, Tyrese, T.I., and others.

In 2011, Sheehan signed to Dr. Luke’s Prescription Songs and Sony/ATV as a songwriter.

She is also managed by Roc Nation.