Beyoncé celebrates early 38th birthday with husband Jay-Z backstage at the Made In America Festival in Philadelphia

During her remarkable career, Beyoncé has twice been the main act at Philadelphia's Made In America Festival: in 2013 and 2015.

 However, the pop queen chose to pretend to be a fan in 2019 and observed the variety of performers from the backstage area with her famous husband, Jay-Z.

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 When family and friends pulled out a cake with candles and started singing the mother of three an early Happy Birthday, Bey suddenly became the focus of attention during a break between shows.

On her Instagram fan page, a video of the audience singing the traditional birthday song was shared. 

 The Everything Is Love singer, wearing shorts and a button-down shirt that was tightened with a belt and pouch, started off by swaying slightly from side to side with eagerness.

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 As Jay watched with equal enthusiasm, the Texas native started to perform a few dance moves as she was given the cake, her long blond hair brushed up from her face with a chic headband.

With an extra-large bottle of champagne in his hand, the hip-hop icon stood by his wife, seemingly playing the role of ringleader. 

 Jay, wearing sunglasses and a white hoodie, sang along and encouraged the audience.

 The superstar pair was escorted through a boisterous audience at the side of the stage in another Instagram video that was shared shortly after the joyous ceremony.

 As they took pictures and videos, fans who were lining up and pressing against barricades screamed and shouted. 

 When she left the venue, Beyoncé waved to everyone in line, still smiling, and left.

Beyoncé was seen observing Lizzo's performance from the side of the stage earlier in the evening.  Additionally, Queen Bey appeared to be very impressed with the performance, according to E! News.

 Travis Scott was the main act on the second and last day of the Made In America Festival in Philadelphia.  Blueface, Gucci Mane, Kaytranada, James Blake, and Lil Uzi Vert were among the other musicians.   

 On Saturday, Cardi B was the main act on the festival's opening night.         

 Beyoncé turns 38 on Wednesday, September 4, which is her actual birthday.