Mia Julia Brückner (born 9 December 1986), best known as Mia Magma, Mia Julia and Fellucia, is a German model, singer, and former pornographic actress.

Born in Gilching, Bavaria,^[2] Magma debuted in adult industry in December 2010, starring in the film Das Sennenlutschi.^[3] She had previously attended several swinger clubs together with her husband Peter, a former insurance agent, who later became her manager and an occasional actor in her films.^[3]

Magma's life-size image appeared at the 2011 24 Hours Nürburgring on a BMW touring car sponsored by pornographic company Magmafilm, and she even attended the event as a special guest.^[4] In Summer 2012, she was also part of the 2012 touring music show Bierkönig.^[5]

In late 2011, Magma also appeared on the K.I.Z. music video of the song "Fremdgehen", and featured a series of commercials for the airline "Germanwings".^[6][7]

In September 2012, Magma announced her retirement from pornography to pursue a career in music and television with the new stage name Mia Miya.^[8][9] For this reason she even withdrew a Venus Award nomination.^[8][9]

Magma appeared on several magazine covers, including the May 2012 German issue of FHM and the October 2012 German issue of Penthouse.^[8][10]

In 2014 she was a contestant at Sat.1's Celebrity Big Brother Germany.^[11]