The superstar diva ditched her trademark racy gowns for a Real Madrid T-shirt as she left her hotel in the Spanish city.
Lopez, 43, is playing a concert in Madrid, and she seems she's doing her best to make sure she's winning support from the locals.
Real Madrid are the current Spanish champions, and their team includes the super striker Cristiano Ronaldo.
Wearing her hair in a ponytail and sporting sunglasses, Lopez looked to be enjoying her Spanish stay.
She waved happily to fans and photographer, and even blew them kisses.
Happy: Lopez waved to her fans as she left a Madrid hotel
However, she made sure she gave one more wave to her fans.
The actress/singer is playing at the Palacio de Deportes de la Comunidad de Madrid on Sunday, but we expect she will be swapping her football top for something more glamorous.
Big night: The singer was in the city to perform her latest leg of her world tour
The US singer showed off her trademark curves in a skin-tight, sheer dress for the Wetten Dass TV show.
The knee-length nude dress, which accentuate her toned body, was matched with a pair of nude skycraper heels.
Although she didn't speak the language the New Yorker seemed completely at ease, laughing and joking with the Chanel designer.
That's more like it: Lopez is usually seen wearing her trademark racy costumes like this one on Saturday night