Kendall Jenner obsesses over her makeup.

The 19-year-old model - who is the new face of Estée Lauder's Little Black Primer - has confessed she struggles to apply cosmetics herself and becomes fixated on perfecting her eye liner.

The brunette beauty explained: ''I'm really bad at putting on my own eyeliner. But I like kajal liners that you can put on and smudge. I sort of have O.C.D (obsessive compulsive disorder) with my eye makeup so even if it's supposed to look messy I still try to make it look perfect!''

Fortunately, the 'Keeping Up With The Kardashians' star can count on her favourite eyewear to cover up any makeup mishaps.

She said: ''My favourite sunglasses are a pair of black aviators, then I have a pair of boxy black shades that just go with everything.''

Kendall also alternates carrying her spacious black hold-all with her Céline Mini Tote to keep her beauty must-haves with her at all times and ensure her makeup looks fresh when she's on the go.

She told The Estée Edit: ''I have a big black bag that's really good for travelling because you can fit everything inside.

''But I wear my black Céline Mini Tote everyday. I have two others - a nude one, and a red one - but the black one is just so easy: you grab it, and go.''