Anna decorated the shot with balloons and love hearts.
Continuing to smile, Lucy showcased her love for the game in a matching red Spanish shirt to her brother.
And it's not the first time Anna and Enrique have shown their kid's love for the sport.
Taking to Instagram earlier in the month, Nicholas was seen holding a 2018 FIFA World Cup Russia soccer ball.
On dad Enrique's instagram, Lucy is seen sitting on top of the Spanish hit-maker's back while the match played in the background.
Anna and Enrique welcomed their twins on December 16 at South Miami Hospital.
The notoriously private pair surprised fans with the news after keeping the entire pregnancy under wraps.
The pop star and the athlete have been together for 17 years after meeting on the set of his music video Escape in late 2001.
It is unknown whether or not they ever got married.
