Vanessa Minnillo & Nick Lachey's Heated Makeup Session

An estimated 1 million people from all over the world packed Times Square on Sunday to ring in the New Year.

Partygoers poured into the area before dark to snag prime viewing spots reports ABC news

Large bags and backpacks were prohibited, and bomb-sniffing dogs roamed the crowds that stretched from Broadway to Central Park.

Public drinking was banned again, and visitors were corralled in a series of viewing pens to curtail their ability to bar hop until the show ends.

77-year-old Dick Clark hosted his annual New Year's Rockin' Eve, the New York Daily News reported. The highlight of the event was the countdown to midnight as all eyes watched the 1,070-pound Waterford crystal ball descend. At 12, 7,000 pounds of confetti was swirled onto the crowds from the surrounding high-rises.

Meanwhile down the block, Nick Lachey and TRL host Vanessa Minnillo, put on quite the show for MTV audiences last night.

Just before midnight, the two – who've been dating for eight months – took their spot in the window facing down on the crowd and discussed the end of 2006. But off camera, things heated up between the lovebirds reports People Magazine.

Lachey whispered into Mannillo's ear and kissed her neck. She started to cry.

Minnillo later told PEOPLE she was pent up with emotion because "everyone that is important in my life is here. I literally choked up. I'm just so happy."

At midnight, the couple kissed passionately. The whole room watched as they looked into each other's eyes and, between sips of champagne, whispered and kissed some more.

During the MTV show, Vanessa Minnillo, uttered fucking while introducing the last act of the music television's New Years eve live special.

Later the pair moved on to an after-party at New York's Marquee club where they celebrated until after 4 a.m.

Meanwhile, Lachey's ex-wife, Jessica Simpson, was also in New York to ring in the New Year – with her pal John Mayer.

Star witnessed the new couple in action. Jessica was in a long black dress and a black sweater as she sat with John in the library/VIP room of the Hudson Hotel party all night even though the singer-guitarist was more or less ignoring her! The buxom blond spent much of her time tugging on his leg or clothing while he talked to other people. Ultimately, after growing tired of being ignored, Jessica threw a mini pout and was awarded a kiss from John.

Then the lovebirds started nuzzling and kissing for real. But when John got up again and started talking with someone else, she started grabbing and squeezing his ass