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Beyonce and Blue Ivy Walking Billboards ... Blue Ivy Park!!!

Here's Beyonce and Blue Ivy looking like walking, talking advertisements for Queen Bey's new clothing line collab with Adidas.

Beyonce and Blue Ivy stepped out Thursday in some matching gear from the Adidas x Ivy Park activewear collection ... spending part of their day fabric shopping at Mood Fabrics in New York City, with NY Fashion Week in full swing.

As we've reported ... Beyonce's been hooking up her famous friends with HUGE care packages from the collection ... including Missy Elliott, Cardi B, Zendaya, Ellen DeGeneres, Hailey Bieber, Janelle Monáe and Kelly Rowland ... so you just knew it was only a matter of time before Blue Ivy got in on the action.

Seems like Beyonce and Jay-Z's daughter is really into the big shopping spree too.

As you know ... Beyonce went full thirst trap to promote the clothing line ... but mama's way more modest with Blue Ivy in tow.

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