Kim Kardashian channels Bianca again in Valentine's Day SKIMS set

was showing off her greatest asset on Instagram on Thursday: her generous butt.

The 44-year-old garment mogul flashed her backside when in a new SKIMS outfit perfect for Valentine's Day.

The ex-wife of was in her neutral-toned home spa as she flashed the flesh in a tiny leotard that had heart prints on it in red and pink.

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