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Two of Latin music's biggest crossover acts are teaming up for a tour that's guaranteed to be extra caliente.

Ryan Seacrest announced Monday that Jennifer Lopez and Enrique Iglesias are heading out on a 13 city tour beginning July 14 at Montreal's Bell Centre.

The international superstars are set to hit towns across the U.S. and Canada--including Toronto, Newark, Washington DC, Chicago, Los Angeles, Atlanta and Miami.

No word yet on whether Lopez's former-backup-dancer-turned-boyfriend Casper Smart will be along for the ride--although a source close to the American Idol judge, 42, recently admitted to Us Weekly that Lopez's six month relationship with the choreographer, 25, has definitely taken a turn for the serious.

"[She] is telling friends she wants to marry Casper," the insider revealed. "She's certain she wants to be with Casper forever."