No. No and Who?
Anyways, at the moment, it's Lady Gaga!
(as I'm sure most of you all know already)
Lady Gaga joined Twitter on March 26th, 2008 and has amassed a following of 13,298,612 followers since then and has made over 1025 tweets to date! Lady Gaga Twitter Page
2.) Justin Beiber is followed close behind with 12,456,483 followers
3.) Barack Obama with 9,960,609 followers
4.) Katy Perry with 9,686,466 followers and
5.) Kim Kardashian with 9,603,627 followers.
twitaholic.com, actual figures - (me visting the actual twitter pages as of September 7th, 2011)