Lady Gaga pulled out all the stops for her electrifying ... And her Bowie-esque beauty looks were weeks in the making, her makeup artist Sarah Tanno tells PeopleStyle exclusively.

Lady Gaga has perfected the poker face and changed celebrity style forever. Get the latest news on Lady Gaga's fashion, outfits and hair—and look back at some of her most outrageous outfits.

when Lady Gaga announced the creation of her brand, Haus Labs, it was one that actually made sense. Sarah Tanno is Gaga’s personal makeup artist and the artistic director for Haus Labs.