Bionic font here refers to the font used in the cover artwork of Bionic, which is the sixth album by American singer Christina Aguilera, released in 2010 via RCA Records.
The font used on the cover is probably Mason Serif Regular designed by Jonathan Barnbrook in 1992. The font is a commercial one and you can view more details about it here.
Download Mason Font
The Mason font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.