Looks like Paris Hilton is up to her old tricks.

Back in 2005, the blonde certainly got viewers' attention when she washed a car in a steamy Carl's Jr. Superbowl commercial. Nine years later, Hilton is back at it, this time with the help of swimsuit model Hannah Ferguson.

The 33-year-old socialite, suited up in a strappy black monokini, posted behind-the-scenes photos from her newest ad with the fast food chain on July 24:

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