Don't forget about Kylie! Jenner showcases pert posterior while posing seductively in leather trousers... as she celebrates mother's birthday 

It may have been her mother Kris Jenner's birthday, but Kylie Jenner made sure she wasn't left completely out of the picture as she took to Instagram on Saturday to share a racy snap of her pert posterior. 

The 19-year-old took a photo of herself in the reflection of a car window as she posed in a pair of racy, lace-up leather trousers.

It should be of no surprise to anyone that the seductive snap quickly garnered hundreds of thousands of likes within hours after she posted it to Instagram. 

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Don't forget about Kylie! Jenner shared a photo of herself in the reflection of a car window as she posed in a pair of racy, lace-up leather pants, on the day of her mother Kris Jenner's birthday

Kylie captioned the image with a playful skull emoticon. 

In the snap, the super star teamed her leather trousers with a black and orange top as she also slicked her bright blonde locks back into a taut ponytail.

Her little cub: The teen also wished her mother a happy 61st birthday by posting a throwback photo of herself as a tot with Kris

Star of the show! The matriarch was feted on her special day by her family, who had rented out a movie theater in her honour

Her mother's big day! The E! star smiled as she enjoyed some quality time with her loved ones

But the reality star made sure to also lavish some attention on her mother, as she wished Kris a happy 61st birthday by sharing a throwback snap of themselves. 

The photo was of Kris as she cuddled baby Kylie, who wore an animal print hat and jacket.

'happy birthday mommy,' Kylie wrote in the caption. 'I love you so much it hurts (heart emoticon).'  

Sparing no expense! Khloe Kardashian squealed on her own Snapchat account, 'So it's my mommy's birthday, and what do you do on your mom's birthday? You rent out the theater!'

The cat's meow: The 19-year-old channeled Hello Kitty on Snapchat 

Picture purr-fect! The social media super star's long lashes accentuated her stunning features

Kylie also took to Snapchat to take her fans inside her mother's birthday celebrations. 

The matriarch was feted on her special day by her family, who had rented out a movie theater in her honour.  

'So it's my mommy's birthday, and what do you do on your mom's birthday? You rent out the theater!' Khloe squealed on her own Snapchat account.  

Khloe, meanwhile, has recently collaborated with Kylie to produce a new collection of lip kits for the teen's cosmetics line.

The line is called the Koko Kollection, and it will be available for purchase on November 9. 

Hell for leather! The starlet rocked her super sexy trousers during an outing in Los Angeles

Along for the ride! Jenner's boyfriend Tyga made his way towards the stylish red car

Hitting the road: The star had her hair slicked back and she also wore a pair of sunglasses 

Coming soon: Kylie, pictured in New York in September, has recently collaborated with her sister Khloe to produce a new collection of lip kits for her cosmetics line

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