Kim & Kourtney Kardashian Join Cher at 'The Promise' Premiere in L.A.

Kim Kardashian joins older sister Kourtney and megastar Cher at the premiere of The Promise on Wednesday night (April 12) at the TCL Chinese Theatre in Los Angeles.

The 37-year-old TV personality looked sexy in a gold, form-fitting dress as Kourtney and Cher both went chic in all black suits.

PHOTOS: Check out the latest pics of Kim Kardashian

The Promise is about a love triangle that develops between Armenian medical student, an American journalist based in Paris, and an Armenian-born woman raised in France during the final years of the Ottoman Empire, and during the Armenian Genocide.

The film is set to hit theaters on April 21.

10+ pictures of the stars arriving at the premiere…