The singer started celebrating her 30th birthday early on Thursday night with a dinner at Brasseire Beaumarchais in NY's Meatpacking District. Christina spoke exclusively to our friends at Star magazine at the HPNOTIQ Harmonie sponsored event and revealed her extensive birthday plans. "I want to be everywhere for my birthday," the giddy singer told Star. "So it's like New York, L.A., Vegas, Miami...this is my first one. I'm excited!"