Things have gotten nasty between former friends Lady Gaga and blogger Perez Hilton. On Sunday, the singer claimed Hilton was scoping out her New York apartment.
On Twitter, Gaga demanded he stay away from her and told him he was "sick." She also said her building's management confirmed he was on the premises.
Hilton put out a statement denying any stalking allegations - saying he was house hunting - and only found out later the singer lived in the building. Gaga used to be close with Hilton - until the pair had a falling out.
