Joe Schildhorn /BFAnyc/Sipa USA; Alex Reside for InStyle.com

Talk about a spur-of-the-moment hair change! Backstage at last night’s Victoria’s Secret Fashion Show, Karlie Kloss unveiled a new chin-skimming bob shortly before hitting the runway. Although it’s a drastic difference from VS’s trademark flowing manes, we thought the shorter crop looked great on Kloss! Enter lead hairstylist Orlando Pita, who was well-equipped with extensions to temporarily undo the spontaneous cut. “Honestly, it may be unbelievable, but we have probably spent about $75,000 just on extensions alone,” he told InStyle.com during the taping. “There is a lot of hair in this room, and a lot of money! There are fans on the runway, so all of the girls get extensions added to avoid getting gaps in their hair while walking.” And after spending time in Pita’s chair, Kloss strutted down the catwalk with long, bouncy waves. Crisis averted!

See more celeb hair makeovers in our gallery.

NEW HAIRSTYLES 2012

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Victoria’s Secret Fashion Show—Our Favorite Looks
Alessandra Ambrosio in the $2.5 Million Fantasy Bra
Backstage Beauty Details from the VS Fashion Show