The rapper explained:
[Image via Karl Lagerfeld/Harper's Bazaar.]
The Marc Jacobs and V magazine party was THE hottest ticket in New York City on Monday night, and we were very lucky to be able to attend.
The Lady Miz GaGa performed an acoustic set at the piano, which was amazing - minus all the annoying fashionistas who wouldn't stop yapping!
Check out her performances of Poker Face and Just Dance (above)!