I'm sure that she has in her life time.
Kiss
yes she did.
No Lady Gaga did not kiss Paolo Tumali, That was just the media!
No
No, Lady Gaga has never killed anyone.
14
makeout with tongue
no.
Lady Gaga is currently not engaged to anyone and has never been.
She indicated on her Jay Leno appearance in late 2009 that she was not sseing anyone, nor was she looking to, for now anyways.
yes she did
She kissed Robert Enke: