Like the new show “Paris & Nicole: The Encore,” these drinks won’t be around for a long time, so grab your velour tracksuit and head to Sonic. They’re available now for a limited time.

Paris Hilton and Nicole Richie launch two new Sonic drinks featuring Dr Pepper and Sprite. Fans online say, "These sound so good!" ...

Hilton gushed that the Sonic team is “so sweet and fun” — and insisted the new drinks are “so delicious.” Paris & Nicole: The Encore premieres Thursday, December 12, on Peacock.

The iconic '00s duo is gearing up for their return to television with their new show "Paris & Nicole: The Encore ... a job on the show was indeed at a Sonic, where, naturally, hilarity ensued.

The pair — whose three-part Peacock special, Paris & Nicole: Encore, premieres this week — opened up to PEOPLE about their special beverages and revisiting their Sonic days from The Simple Life.