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Britney Spears has a lot of things. Millions of fans, a new man, a Grammy award and place on pop music's Mount Rushmore. And on Wednesday, she even got her own holiday.

As the pop star stood before about 1,000 screaming fans in Las Vegas, she smiled from ear to ear as Nov. 5, 2014 was formally declared "Britney Day" in Clark County, Nev. She was also presented with a symbolic Key to the City.

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"This is so exciting," Britney said, as she stood in the shadow the recognizable High Roller observation wheel. "Thank you Las Vegas for welcoming me with open arms and being so supportive of me and my show. I'm honored to receive a key to the city's iconic strip and I'm thrilled that today has been declared Britney Day."

In the spirit of the day, Britney even gathered a group of girls named Britney (regardless of spelling) and invited them to ride the oversized observation wheel with her, and later gifted them tickets to her Las Vegas show, "Britney: Piece of Me."

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"This is our day, definitely," she said, speaking to her fellow Britneys.

The spectacle was not without another announcement by the "Womanizer" singer.

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"I consider the city my second home and I want to give back," she said before announcing that she's teamed up with Vegas-based company Zappos.com and the Nevada Childhood Cancer Center to help critically ill children. In doing so, $1 for every ticket sold to her Las Vegas show will be donated to the foundation.

The partnership has potential to be hugely successful for all the parties considering the popularity of the pop star's show. Since Britney's show began at the Planet Hollywood Hotel in December 2013, it has raked in $30 million in revenue and has been seen by more than 200,000 fans.

It's been quite a week for Britney. Aside from "Britney Day," she also has a new man in her life, TV producer Charlie Ebersol.

"Yes, there is a special someone," she told "Extra!," "It's very new."