Kim & Kourtney attend 20th Annual Elton John Foundation

(L-R) Model Heidi Klum and tv personalities Kourtney Kardashian and Kim Kardashian attend 20th Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park in Beverly Hills, California. (GETTY)

(L-R) Model Heidi Klum and tv personalities Kourtney Kardashian and Kim Kardashian attend 20th Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park in Beverly Hills, California. (GETTY)

TV personalities Kourtney Kardashian and Kim Kardashian (GETTY)

(L-R) TV personality Kim Kardashian and singer Miley Cyrus attend the 20th Annual Elton John AIDS Foundation Academy Awards. (GETTY/GALLO)

(L-R) TV personality Kim Kardashian, Jonathan Cheban and tv personality Kourtney Kardashian. (GETTY/GALLO)

Actress Natasha Bedingfield, tv personalities Kourtney Kardashian and Kim Kardashian. (GETTY/GALLO)

TV personalities Kim Kardashian (GETTY)

TV personalities Kim Kardashian (GETTY)

(L-R) Model Heidi Klum and tv personalities Kourtney Kardashian and Kim Kardashian attend 20th Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park in Beverly Hills, California. (GETTY)

(L-R) Model Heidi Klum and tv personalities Kourtney Kardashian and Kim Kardashian attend 20th Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park in Beverly Hills, California. (GETTY)