Heidi, 51, was in an ivory bra and underwear set with a silky robe while her mini-me kid, 20, had on a black bra and undies. The last time they posed in their lingerie side by side they were blasted.

The 51-year-old supermodel mixed and matched materials and colors as she paired a chunky knitted sweater dress with thigh-high, crocodile-embossed boots.

With parents as cool as supermodel Heidi Klum and R&B sensation Seal, the sibling quartet—made up of Leni, Henry, Johan, and ...