November 05, 2014 - 14:39 GMT hellomagazine.com Kim Kardashian revealed she bleached her eyebrows on her Instagram account. Kim Kardashian shocked fans on Tuesday night when she revealed she had bleached her eyebrows. The 34-year-old looked shared a photo on Instagram looking virtually unrecognisable with platinum blonde eyebrows. Kim unveiled her new look as she attended sibling Kendall Jenner's birthday party, joined by supermodel Cara Delevingne, with whom she posed with in the photo. Kim Kardashian shocked fans when she unveiled her bleached eyebrows The Keeping Up With the Kardashians star was quick to reveal that the drastic change was not a permanent one, but that instead was for a photoshoot she had done earlier in the day. "About last night… #KendallsBDayParty #DontBeScaredOfMyBleachedBrows #ItsForAPhotoShoot," she captioned the photo. The next day, Kim was spotted back to her usual eyebrow look as she stepped out to vote in the US midterm elections. Kanye West and Cara Delevingne joined Kim to celebrate Kendall's birthday Rapper husband Kanye West, with whom Kim has a daughter called North, also made an appearance for the evening, as Kim shared a photo of herself and Cara pulling faces at the camera with Kanye looking on. It seems that Cara has become close to the Kardashian and Jenner families. Not only has the British beauty worked on a secret project with Kim, but she was spotted spending Halloween with Kendall in matching costumes and has modelled alongside the 19-year-old on some of the biggest catwalks including Givenchy and Chanel.