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Rebel Wilson made heads turn while attending a gala in the South of France on Thursday.

The "Pitch Perfect" star stunned in a glittery dress, showing off her weight loss while standing on the red carpet next to her rumored new boyfriend, Jacob Busch.

The pair stepped out in their best attire for Prince Albert's Planetary Health Gala in Monaco, which was also attended by Helen Mirren and Kate Beckinsale.

Wilson, 40, and Busch, 29, posed arm in arm on the red carpet for the event.

REBEL WILSON SHOWS OFF WEIGHT LOSS, SIZZLES IN TIGHT WRAP DRESS: ‘YOU LOOK SO HOT!!!’

The “Pitch Perfect” star wore a multicolored sequin gown that hugged her slimmed-down figure. Busch opted for a classic black suit, white button-down shirt and a black bow tie.

Rebel Wilson and Jacob Busch attend the Monte-Carlo Gala For Planetary Health on September 24, 2020, in Monte-Carlo, Monaco

Rebel Wilson and Jacob Busch attend the Monte-Carlo Gala For Planetary Health on September 24, 2020, in Monte-Carlo, Monaco (Pascal Le Segretain/Getty Images for La Fondation Prince Albert II de Monaco)

This also marked Wilson’s first red carpet appearance since going public with her weight loss journey. Earlier this year the star dubbed 2020 her “year of health.”

The “Hustle” star and Busch, an Anheuser-Busch brewing heir, met last year, according to People.

Wilson and Busch reportedly got romantic while the pair were quarantined apart with the actress in Australia and the businessman in Los Angeles. A source told the magazine they “officially" became "boyfriend and girlfriend” when Wilson returned to Los Angeles.

REBEL WILSON SHOWS OFF HER WEIGHT LOSS TRANSFORMATION IN SMOLDERING YELLOW SUNDRESS

"He's a gentleman, has very old school manners and treats her well," the insider claimed. "He is also very health conscious and they've been motivating each other with their health journeys."

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According to reports, Busch dated former “Real Housewives of Beverly Hills” star Adrienne Maloof on and off from 2013 to 2017.