CELSIUS Serves Up Tennis, Limoncello and Brooks Nader in New Summer Campaign

CELSIUS is bringing tennis, celebrity style and a taste of the Amalfi Coast together for its latest limited-edition summer launch.

The Boca Raton-based brand has introduced SPRITZ VIBE Summer Edition, a Sparkling Limoncello Twist flavor inspired by the Italian coast and built around the kind of sun-soaked lifestyle imagery that has increasingly crossed over with tennis.

The campaign features Brooks Nader alongside sisters Grace Ann and Sara Jane Nader, with promotional imagery placing the sisters on the tennis court as part of the rollout.

For tennis fans, Brooks brings a romantic connection to the sport. The model was publicly linked to Carlos Alcaraz in 2025, with her sister Grace Ann confirming at the time that the two were dating. The relationship later became part of a wider celebrity conversation surrounding the Spanish superstar and Sports Illustrated swimsuit covergirl.

Photo credit: CELSIUS

That connection gives the campaign a tennis pop culture crossover appeal. CELSIUS is using the sport as an athletic backdrop with hints of fashion, fitness and beauty.

CELSIUS describes SPRITZ VIBE Summer Edition as a bubbly lemon flavor inspired by a limoncello spritz. The campaign positions the drink around summer activities like tennis to showcase consumers enjoying fun outdoor experiences.

“SPRITZ VIBE Summer Edition is designed to capture the energy, escape and vibrancy of summer while delivering the fresh and functional formula CELSIUS fans know and love,” said Kyle Watson, Chief Brand Officer at CELSIUS.

The release is the second seasonal edition of SPRITZ VIBE, following an après-ski-inspired version launched previously. This time, the concept shifts from the mountains to the Mediterranean, with bright citrus flavor and Italian summer imagery at the center of the campaign.

Photo credit: CELSIUS

CELSIUS also enlisted Summer House personalities Ciara Miller, Kyle Cooke and Carl Radke alongside Brooks, Grace Ann and Sara Jane Nader to create social content showing their individual takes on summer.

“Summer is supposed to be fun, and that’s exactly what bringing SPRITZ VIBE Summer Edition to life has felt like,” Cooke said. “The lemon flavor is refreshing and perfect for the season — it really captures all the summertime feels.”

The tennis-themed imagery is a natural fit for CELSIUS as racquet sports continue to occupy a growing space at the intersection of fashion and lifestyle marketing.

SPRITZ VIBE Summer Edition is available for a limited time at retailers nationwide.

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Source: CELSIUS. Photo credit (top): CELSIUS

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