First, she bought him a suped-up $750,000 luxury car for his birthday.
Now, Kim Kardashian is only adding more fuel to her romance with Kanye West.
PHOTOS: KEEPING UP WITH KIM KARDASHIAN
The reality star was more doting girlfriend than diva on Monday as she patiently stopped to fill up a shiny black Lamborghini with gas for her rapper beau before hitting the mall in Los Angeles.
Dressed casually for the outing in a plain white T-shirt, skin-tight pants and lace-up high heel boots, a fresh-faced Kardashian was snapped standing next to the two-door sports car while dutifully attending the pump.
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The famous duo later made their way to the Westfield Topanga Plaza, where they spent the afternoon together.
Kardashian reportedly bought the rare Lamborghini Aventador LP 700-4 for West to celebrate his 35th birthday in June.
