The singer mixed with other 
drinks at The Oak Room bar and restaurant at the Plaza Hotel. Her visit was kept secret until it was unveiled at
 The Oak Room's Twitter page. 
Wearing a long blond wig and revealing outfits did Lady Gaga a  brief appearance on stage - which can be seen below. 
Surprisingly patrons with a special appearance,
 the Lady Gaga set out in The Oak Room in 
New York City on 
29 September evening. It would not be possible to give Gaga out from the collection because she 
carries artwork.

