Rebel Wilson's cheeky sex joke about new boyfriend Jacob Busch, 29

Rebel Wilson has a staggering amount of weight over the past 10 months, after vowing to make 2020 her 'year of health'.

And the Pitch Perfect star, 40, hinted on Tuesday that she was getting plenty of 'exercise' with her new boyfriend, Jacob Busch, 29.

Taking to Instagram, she shared a cosy throwback photo of the couple which was taken during their trip to Monaco last month.

Cheeky! Rebel Wilson, 40, hinted on Tuesday that she was getting plenty of 'exercise' with her new boyfriend, Jacob Busch, 29. The couple are pictured during their recent trip to Monaco

Cheeky! Rebel Wilson, 40, hinted on Tuesday that she was getting plenty of 'exercise' with her new boyfriend, Jacob Busch, 29. The couple are pictured during their recent trip to Monaco

Racy confession: Taking to Instagram, she shared a cosy throwback photo of the couple alongside the caption, 'We do a lot of exercise together'

Racy confession: Taking to Instagram, she shared a cosy throwback photo of the couple alongside the caption, 'We do a lot of exercise together'

'We do a lot of exercise together,' Rebel cheekily wrote in the caption. 

The comedian had a big smile on her face as she posed with Jacob for the selfie.

The Isn't It Romantic star wore a black mesh exercise top and a pair of sunglasses, while Jacob rocked black running top. 

New couple: Rebel and Jacob made their red carpet debut at the Planetary Health Gala in Monte Carlo, Monaco, on September 24. Jacob's family founded the Anheuser-Busch brewery, which produces America's most popular beer, Budweiser

New couple: Rebel and Jacob made their red carpet debut at the Planetary Health Gala in Monte Carlo, Monaco, on September 24. Jacob's family founded the Anheuser-Busch brewery, which produces America's most popular beer, Budweiser

Rebel and Jacob made their red carpet debut at the Planetary Health Gala in Monte Carlo, Monaco, on September 24.

Jacob's family founded the Anheuser-Busch brewery, which produces America's most popular beer, Budweiser.

In 2016, Forbes listed the Busch family as the 16th richest in America, with a fortune of $13.4billion.

Kicking goals: Last week, Rebel let her Instagram followers know she was only three kilograms away from her goal weight of 75 kilograms (11.8st or 165lbs)

Fashionista: She also shared these throwback snaps of herself in a pink gown while standing on the balcony of her hotel suite in Monaco

Kicking goals: Last week, Rebel let her Instagram followers know she was only three kilograms away from her goal weight of 75 kilograms (11.8st or 165lbs). She also shared these throwback snaps of herself in a pink gown while

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