Jay-Z Stops Made in America Music Festival to Serenade Beyoncé on Her Birthday (VIDEO)

Bey Day is everyday.

This Sunday, Jay-Z made the crowd go wild at Budweiser’s Made In America Festival when he called out his main squeeze, who celebrated her 36^th birthday yesterday. "Shout out to Beyoncé. Beautiful Bey is in the house tonight. Happy Birthday my love," said the rapper, who later got the whole crowd to serenade his wife.

Beyoncé and Jay-Z Discreetly Step out for a Date Night in L.A. Before Twins' Debut (PHOTOS)

According to E! News, Bey and her daughter were dancing around with big smiles as they listened to the 21-time Grammy winner perform for the masses. The couple's twins, Rumi and Sir, who were spotted yesterday, were not at the nighttime concert.

Jay and Bey also watched upcoming hip-hop star Cardi B perform under the rain, and the "Bodak Yellow" singer later took to Instagram to share the moment with her millions of followers.

Let's All Take A Moment Once Again To Admire Beyoncé's Post-Baby Body

In related news, here's why we think Beyoncé is an honorary Latina: