Lady Gaga Opens 'Haus of Gaga' Fashion Exhibition in Las Vegas It looks like Gaga is going to be spending a bit more time in Sin City. In addition to her 'Enigma' residency that runs until November, she now has the 'Haus of Gaga,' a museum filled with her fashion collection. The museum, which opened Thursday at Park MGM, will display about 40 iconic fashion pieces that the singer has worn over the years. The 33-year-old pop icon took to Twitter on Wednesday to share the news. Curator Nicola Formichetti shared their joint vision in a press release. Nicola Formichetti, via statement Nicola Formichetti, via statement Some pieces will be auctioned off, and proceeds will go to the Born This Way Foundation.