It's two shades of red, as Kim and Khloé pose side-by-side.
The reality star showed lots of cleavage in her red Celia Kritharioti ball gown.
Kourtney was the sore thumb of the three, going for a very different look in a Saint Laurent pantsuit.
Kim and Kourtney share a moment with the singer.
Britney Spears, Rumer Willis, and Neil Patrick Harris were also at the five-star event.
The 33-year-old fashionista commands attention in red.
Khloé is the lady in red, radiating amazing in her velvet Marc Bouwer gown.
The Kardashians were at West Hollywood Park Sunday to take in Elton John’s annual AIDS Foundation party.