Pop star Christina Aguilera is promoting Pepsi on a global scale in a new TV ad campaign that takes her from New York to Rio, Prague, Japan and the Sahara.

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The chart-topper samples the classic cola in a series of exotic locales where she dances and gyrates to a variety of cultural rhythms before ending up back in New York, hellomagazine.com reported.

"I had a great time," Aguilera said after the filming.

Aguilera used to represent competitor Coca Cola, but last year, crossed over to Pepsi. Her deal with the soft drink giant is rumored to be worth $3.7 million.

She is the most recent internationally known singer representing the company -- joining a list that includes Britney Spears, Beyonce, Pink and Jennifer Lopez, who have all appeared in Pepsi commercials.