Her cups really runneth over.

Squirting in style came effortlessly to a pregnant Leigh-Ann Pinnock while modeling lactation-inspired couture at the Di Petsa show during London Fashion Week on Monday.

The 34-year-old mommy-to-be, formerly of pop girl group Little Mix, eked out a jaw-dropping display on the spring/summer 2027 runway, leaking liquid from spouts built into a sculptural lactating bra that mimics streams of breast milk shooting out of nipples.

Closing the show, Pinnock posed in an angelic all-white, two-piece ensemble from the collection, entitled Holy Milk, taking center stage while surrounded by at least six other models seated on…

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