Kim Kardashian looked lovely with her platinum hair flowing over her shoulders as she blew a kiss and threw a peace sign in the back seat of her car on Saturday.The 42-year-old beauty shared the snap with her 335M Instagram followers and captioned the post with a simple red-lip kiss emoji.Kim was dressed in a black zip-up sports top and put her naturally flawless complexion on display with a bit of smokey eye makeup.This comes after Kim posted several very cute images of the two younger children she shares with ex-husband Kanye West on Thursday. What a babe: Kim Kardashian blew a kiss and threw a peace sign with her platinum hair flowing over her shoulders chillin in the back seat The first adorable snap showed Chicago and Psalm on a slide with a simple black heart as the caption.Her older kids North and Saint were not pictured in the new photo set. On Monday, Kanye attended their son Saint's 7th birthday party at Kim's Hidden Hills estate.