Article continues below advertisementIvanka Trump got a birthday shout-out from numerous people on Thursday, October 30 - including one from Kimberly Guilfoyle, the ex-fiancée of Ivanka's brother Donald Trump Jr.Kimberly celebrated the star's 44th birthday by posting several photos of them together, with some of the shots even including her ex.Article continues below advertisementKimberly Guilfoyle Celebrates Ivanka Trump's BirthdaySource: @ivankatrump/instagramDonald Trump's ex-fiancée Kimberly Guilfoyle celebrated his sister's Ivanka's birthday on Instagram.