Well, now we really know why the bigwigs at CBS told Neil Patrick Harris to can it. According to network sources, Britney Spears is headed back to “How I Met Your Mother.” The sitcom saw record ratings when the post-rehab pop tart guest starred on the show in March and now it appears producers want more Britney. Sources close to the show are calling the move a “mutual decision” and both parties are reportedly thrilled to be working together again. Insiders say the singer turned actress has signed on to do a single episode and will reprise her role as … Continue reading →