Beyonce’s daughter Blue Ivy Carter, nine, and twins Rumi and Sir help promote IVY PARK kids’ range

Beyonce’s daughter Blue Ivy Carter, nine, is almost as tall as her in promo video introducing IVY PARK children’s range… and twins Rumi and Sir are also featured

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Her children served as the inspiration for why she wanted to expand to children’s sizing for her clothing line.

So no doubt Beyonce had to make the promotional video for the launch a family affair.

The 39-year-old A-lister was joined by nine-year-old daughter Blue Ivy and four-year-old twins – daughter Rumi and son Sir – in an Instagram video posted on Wednesday introducing the new IVY PARK x Adidas kids line.

Reaching new heights: Beyonce was joined by nine-year-old daughter Blue Ivy in an Instagram video posted on Wednesday introducing the new IVY PARK x Adidas kids line

Family affair: The 39-year-old megastar was also joined by four-year-old twins; daughter Rumi and son Sir

Family affair: The 39-year-old megastar was also joined by four-year-old twins; daughter Rumi and son Sir 

No doubt the most talked about moment from the clip will be that her eldest child was nearly as tall as the pop megastar.

The two wore matching cow patterned leggings along with grey hoodies and sneakers while strutting hand-in-hand as Blue’s head reached Beyonce’s shoulder.

Beyonce was also shown matching in blue with her younger children as they posed in the middle of a bull pen while fireworks and stadium lights could be seen above them.  

My how you've grown! No doubt the most talked about moment from the clip will be that her eldest child was nearly as tall as the pop megastar

My how you’ve grown! No doubt the most talked about moment from the clip will be that her eldest child was nearly as tall as the pop megastar

Bond: Sir got a little more camera time as he sported a cowboy hat while his famous mother carried him as he chewed on a snack

Bond: Sir got a little more camera time as he sported a cowboy hat while his famous mother carried him as he chewed on a snack

Sweet: Sir struck a cute pose and Beyonce couldn't help but notice

Aww: Beyonce smiled immediately in the cute mother-son moment

Sweet: Sir struck a cute pose and Beyonce couldn’t help but notice and smile immediately

Wow factor: Beyonce looked every bit the vintage beauty as her blonde-hued feathered curly locks - which were reminiscent of Farrah Fawcett - blew in the wind

Wow factor: Beyonce looked every bit the vintage beauty as her blonde-hued feathered curly locks – which were reminiscent of Farrah Fawcett – blew in the wind

Sir got a little more camera time as he sported a cowboy hat while his famous mother carried him as he chewed on a snack.

Beyonce looked every bit the vintage beauty as her blonde-hued feathered curly locks – which were reminiscent of Farrah Fawcett – blew in the wind and she smiled as her son struck a cute pose.

The Halo hitmaker donned all types of different outfits for the promotional spot including the aforementioned cow patterned leggings along with a matching sports bra.

Ride 'em cowboy: The Halo hitmaker donned all types of different outfits for the promotional spot including the aforementioned cow patterned leggings along with a matching sports bra

Ride ’em cowboy: The Halo hitmaker donned all types of different outfits for the promotional spot including the aforementioned cow patterned leggings along with a matching sports bra

Big deal: Beyonce seemed excited to announce that her clothing line had expanded to children's sizing as she was joined by young models in this snap

Big deal: Beyonce seemed excited to announce that her clothing line had expanded to children’s sizing as she was joined by young models in this snap

Her children were not the only kids featured in the add as several young models as well as their families were also shown in the epic clip. 

Read more at DailyMail.co.uk