Her transformation is truly unbelievable!

It was only a couple years ago that Internet haters were calling her the "fat" sister, but nobody can say that now, because Khloe is officially the hottest Kardashian. She proved that during her Good Americans jeans photoshoot yesterday, by wearing nothing but a sparkly bodysuit and putting her toned bod on full display. Boyfriend Tristan Thompson is a lucky man!

Her makeup artist Joyce Bonelli shared these behind-the-scenes snapshots, and we really can't believe our eyes. Her legs are so skinny, her waist is downright tiny, but she's still got that perfect bubble butt.

She's known for her rigid diet and daily workouts, but the reality star indulged in chocolate covered strawberries sent to set by her NBA player beau. When you look this banging, you can treat yourself once in a while!