She was joined at the pop-up by her younger sister Khloe, 37

The sisters were accompanied by a security guard as they approached the venue

The Kardashians star accessorized her look with a pair of clear heels and was later seen wearing her large Batman-reminiscent gold face mask

Kanye West’s ex-wife wore her luscious raven black tresses parted in the middle and styled into gentle waves that cascaded down her back

The mother-of-four showed off her famous ᴀssets and voluptuous figure from behind