Happy Birthday to Britney Spears, who has been inescapable for the past few weeks. Britney’s releasing her new, appropriately named album “Circus” today, and the PR blitz has been massive. Britney had a tell-all Sunday night that got huge ratings, although it was a bit of a yawner. Today Brit-Brit dropped in on “Good Morning America” to cut yet another “Circus” birthday cake and to lipsynch sing. She was wearing Madonna’s top hat, and Snarkista detected a smidge of butt cleavage in the performance… but at least she was wearing pants!