Although Beyonce doesn't aim to be "really mean," she can end up with a stern attitude when she's in the middle of her concert costume changes.

This became apparent after Tina Knowles, mother of the famous musician, exposed it.

What Tina Knowles Had to Say 

Tina said in an interview on "Sherri," "We laughed about this recently because I was saying, 'Girl, you get mean back there,' and I am really happy that I don't have to be back there anymore."

"We'd laugh because she used to do 'Flaws and All.' She would say, 'I'm a [bitch] in the morning,' and I'll be like, 'And the evening too!'"

At 69, Tina said her daughter understands when she has gone too far and is always quick to apologize. Nevertheless, this awareness does not stop the "Crazy In Love" hitmaker from occasionally stepping out of line.

The famous mother added, laughing, "She'll be like, 'Mama, I'm so sorry,' and I'm like, 'I know.' Sometimes she'll be crying, and I was like, 'She crying because she know she just said some crazy stuff to us.'"

Tina further confessed, "But that's the heat of the moment, because you're trying to get your shoes on, and everybody's waiting, and if somebody's messing up or they lose the shoes, then you messed up the whole show. So, I understand it."

READ ALSO: Taylor Swift, Beyonce Fans Furious After Concert Films Not Eligible For Oscars

Having just wrapped her incredible "Renaissance" World Tour, Beyonce has much to be proud of.

Queen Bey managed to astonish audiences with over 600 costumes every night - and there are still 150 left over that she never wore.

It seems this tour was made for the record books as it earned a staggering $579 million, making it the highest-grossing female artist trek in history, according to Entertainment Weekly.

Night after night, Beyonce's shows were the talk of the town as her special guest took to the stage - her 11-year-old daughter Blue Ivy.

When the tour got underway in Stockholm, Sweden, in May, the audience was taken aback as they saw the child star among them.

Throughout the US and other countries where Beyonce performed, Blue Ivy joined her mother on stage and delighted fans with her presence.

As the "Single Ladies" singer watched her daughter take the stage alongside her mini-me at the end of the tour, she could not help but be filled with pride and admiration.

READ MORE: 'Renaissance: A Film By Beyonce': How To Buy 'Renaissance World Tour' Concert Film Tickets

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