'Mercy James gets a big fat one from the Queen B!' Madonna's daughter snuggles up to singer as her mom introduces them

Millions of fans will be green with envy

Beyonce kissed Madonna's adopted daughter Mercy James on the forehead after the Material girl took her eight-year-old to The Mrs Carter Show World Tour at the Barclays Centre in New York on Thursday.

The queen of pop paid a rocking tribute to music's new royalty by posting a cute Instagram snap of the moment, adding the message, 'Mercy James gets a big fat one from the Queen. B!'

Smoochy moment: Beyonce cozies up to Madonna's eight-year-old daughter Mercy James at the New York leg of her Mrs. Carter Show World Tour on Thursday

Madonna, 55, obviously enjoyed the spectacular show, posting another Instagram of the 32-year-old pop songstress on stage with the caption 'Mrs. Carter crushes the BK

with her bad ass show! Girls run the world! #srtforfreedom.'

BK is slang for Brooklyn, the neighbourhood where the massive 18,100-seat arena is located and Mrs. Carter, of course, is a nod to Beyonce's husband, rapper Jay-Z, whose given name is Shawn Carter.

Madonna wasn't the only star blown away by the show.

It takes one to know one: Madonna hailed Beyonce as Queen B after catching her performance

Glitter girl: The Material Girl captioned this Instagram snap: 'Mrs Carter crushes the BK with her bad ass show! Girls run the world!'

Russian-American Sports Illustrated model Anne Sergeyevna Vyalitsyna, 27, also known as Anne V, tweeted: 'Just saw @Beyonce concert and I swear it was the greatest show I have ever seen. Is this woman even human? She's just too good to be true ❤️'

Beyonce's tour kicked off in April and, after countless shows and travelling around the globe, the entertainer still appeared to have plenty of energy in photos capturing her performance.

On Wednesday night she was in Washington D.C. and the star kept rocking on Thursday in a variety of stage outfits including a high cut, brocade body suit with intricate embroidery that showed off her long, slender legs and toned torso.

Strutting her stuff: The 32-year-old showed no sign of fatigue even though she's now been travelling the world since April

Madonna's snap showed the superstar in a sheer black sparkly number.

The star, whose net worth is reportedly around $300 million, has good reason to be on top of the world. Her new self-titled album became the fastest-ever seller on iTunes with 828,773 downloads in its first three days after its December 13 release.

However giant retailer Target has refused to stock it saying that because the album, her fifth, was offered online before it became available in shops, its sales would be hit.

High energy: The mother-of-one danced through most of her set, sparking admiration in model Anne  V who tweeted: 'It was the greatest show I have ever seen. Is this woman even human? She's just too good to be true'

Beyonce said at the time she was bored with going the traditional release route, adding: 'I am able to speak directly to my fans. There's so much that gets between the music, the artist and the fans.

'I felt like I didn't want anybody to give the message when my record is coming out. I just want this to come out when it's ready and from me to my fans.'

The 31-track album features collaborations with husband Jay-Z and their one-year-old daughter Blue Ivy, Drake, Frank Ocean, Sia, Justin Timberlake and Pharrell.

Talk to the hand: Beyonce set off a storm of fireworks on stage during her red hot show

Madonna and children: The star with son David and Mercy James pictured at Los Angeles International airport in September