Rumor has it Britney's 4th single off
UPDATE: Britney's official label site Britney.com is asking readers what the 4th single should be in their latest poll (located on the right hand side of the site).
"If U Seek Amy" won the last poll, and it was made a single.
UPDATE: As of 12:23 pm PST, "Unusual You" is currently winning with 36%. IT MUST SAY 100%, KEEP VOTING!