Kylie Jenner looked like she had an out of this world time as she celebrated identical twin pals Sama 'Simi' and Haya 'Haze''s joint 24th birthday party.

The galactic rodeo-themed bash was held at The Peppermint Club in West Hollywood.

Kim Kardashian's youngest sister, 19, really embraced the theme dressing in a silver satin halter crop top and matching hot pants, plus cowboy boots.

The hair chameleon also used the opportunity to debut a platinum blonde bob.

Although older sister Kendall sported a similar do in her controversial and now pulled Pepsi soda ad, it didn't seem to deter Kylie from reaching for the bleach bottle – or wig, as the case may be.

Flooding her Instagram with snaps and video clips from her night out, she posed up a storm with the socialite birthday girls.

Clearly thrilled with her look one, she wrote alongside one: "My inner space cowgirl came alive."

In-between all the dancing and swimming, another photo saw the reality TV star-turned-businesswoman leaning in and giving more than just a flash of cleavage as she hungrily munched on a taco out of a plastic box.

She explained: "Always bring your own tacos."

Kylie Jenner
Kylie Jenner looked out of this world on a galactic rodeo-themed night out in Los Angeles

Hope she saved plenty of room for cake as Simi and Haze were each presented with their own space cowgirl cakes topped with candles.

Although she and on-off rapper boyfriend Tyga, 27, are reportedly on a break after he moved out of her plush LA mansion, it must have given her a little thrill that he clicked 'like' on one of her pictures.

A post shared by Kylie (@kyliejenner) on

Kylie Jenner was attending twins Simi and Haze's joint 24th birthday party Instagram

After all, they say absence makes the heart grow fonder and with insiders believing that a reconciliation is inevitable, could this be a sign that it will be sooner rather than later?

A source told Us Weekly: "He's her first big love and they still speak every day."

Simi and Haze were both presented with their own space cowgirl cakes Instagram