Credit: JB Lacroix/WireImage It's a family affair! Kim , Kourtney , and Khloe Kardashian -- along with their mom, Kris Jenner -- dressed to the nines to attend Elton John's 22nd annual AIDS Foundation Oscars viewing party at West Hollywood Park on Sunday, March 2. See more pictures of the Kardashians at the party . PHOTOS: What all the stars wore to the 2014 Oscars Each of the sisters showed off a unique sense of style at the Audi-sponsored event, which was also attended by celebs including Lady Gaga , Britney Spears , Christina Hendricks , Rumer Willis , and Neil Patrick Harris . Kim, 33, flaunted her ample cleavage in a plunging tomato-red ball gown by designer Celia Kritharioti. She kept the rest of her look simple, accessorizing with dainty Lorraine Schwartz jewels and rocking a bold red lip. PHOTOS: The best-dressed stars at the 2014 Oscars Khloe, 29, also wore red -- but with a little added va-va-voom. Her crimson velvet Marc Bouwer number hugged her curves in all the right places.