"That was so ... Oh my God, what did you do to me? Look at my makeup!" said a teary Lopez after hundreds of schoolchildren greeted the couple with cheers, broad smiles, flowers and artwork Tuesday.
Lopez and Anthony, who were married in 2004, said they were "overwhelmed" by the welcome at P.S. 36 Unionport School in the New York City borough of the Bronx.
They are about to launch a musical tour to support a children's health campaign. It will be her first tour.
"There's nothing in the world, no Grammy, no Oscar, that can make me feel more warm than today," said Anthony, 38, who recently released the soundtrack to "El Cantante," a biopic of salsa legend Hector Lavoe.
Part of the proceeds from the 19-concert tour, which kicks off Friday in Atlantic City, N.J., will go to schools with programs promoting physical education and a healthy lifestyle.