Apparently the sexy gift was designed by the 30-year-old model, who has expressed interest at starting her own underwear line after stepping down from her Victoria's Secret Angel role.
"It's hand-stitched, one-of-a-kind! It's virginal white, sexy yet classy, too - and absolutely beautiful,” said a source.
Jen, 44, has apparently given close gal pals a sneak preview of the outfit she plans to wear on her wedding night with husband-to-be Justin Theroux.
"Jen loves it so much that she's going to wear it on her wedding night,” added the source in an interview with contactmusic.com.
We can only imagine how smoking hot Jen will look in the one-off MK design. But if you need a little assistance, here is some inspiration:
Inside Jen and Justin's love nest: