The bun in Olivia Culpo's oven ain't the only thing heating up ... check out a bikini photoshoot the model recently had with her sisters -- it's scorching!!
Olivia, Sophia and Aurora all stripped down to some itty bitty bathing suits to put OC's collab with Cupshe on full display ... and the trio of Culpos looked amazing.
View this post on Instagram
Christian McCaffrey's wife showed off her pregnant belly in several barely there two-piece sets .