Justin Bieber First to Congratulate Lewis Hamilton on Monaco Grand Prix Win -- Watch Him Swig Champagne!

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The 'Sorry' singer helped the race car driver celebrate his first victory of the season in style.

Justin Bieber loves a good race -- and the bubbly!

The 22-year-old pop star attended the Formula One Monaco Grand Prix at Circuit de Monaco in Monte Carlo, Monaco, on Sunday, and he couldn't help himself from getting in on celebrations.

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Bieber was the first person to congratulate Lewis Hamilton on his Grand Prix win -- his first of the season -- immediately following the race.

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He later took to Twitter with the same well-wishes, writing, "Congrats to my brother @LewisHamilton on an amazing victory."

The official Twitter account for Formula One also tweeted a pic of the two mid-conversation.

"First man to congratulate @LewisHamilton??" they captioned it. "@justinbieber, of course."

The "Sorry" singer later celebrated by swigging Chandon champagne, straight from Hamilton's gigantic victory bottle!

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When in Monaco!

WATCH: Justin Bieber Grabs His Package in New Mirror Selfie

On Friday, Bieber put fans in a frenzy when he took to Instagram to share a photo of himself wearing only a pair of navy blue Calvin Klein boxers as he stared straight into the mirror and grabbed his package. "#mycalvins," he captioned the racy pic.

Watch the video below to hear more.