Lindsay's bday brought to you by...booze

Rehab alum Lindsay Lohan has lined up a boozy sponsorship for her upcoming 21st birthday. A rep for Svedka vodka confirmed yesterday that they are backing Lohan's July 2-3 celebrations in Vegas in a deal that could net the Georgia Rule star up to seven figures. Other partners include PURE nightclub, a "specially-designed" suite at Caesar's Palace and the Social House restaurant. "This should be