The Carolina Panthers have agreed to a four-year, $64 million contract extension with All-Pro Christian McCaffrey, a person familiar with the contract negotiation told The Associated Press, making McCaffrey the highest-paid running back in the NFL.

American TV star and model Olivia Culpo celebrated a unique prom night during self-isolation with her National Football League (NFL) star boyfriend Christian McCaffrey, 23.

The couple partied with Olivia's sister Sophia and Christian's mother Lisa besides other family members. "Tonight is prom night with our quarantine crew," the Sports Illustrated model Olivia wrote on social media alongside pictures and a video of their celebration. "Lisa made all the boys do a "promposal" and now's she torturing all of us with chores," added Olivia, 27.

The outdoor party in a cocktail lounge area could also be a celebration of Christian's four-year $64 million (R484 crore) contract extension signed with NFL side Carolina Panthers in April.

The group ate, drank and also played with a unique bubble machine, blowing bubbles for everyone around.

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'Spring quarantine essential: the comfy cotton maxi dress,' the former Miss Universe captioned a series of stunning series, which flaunted her enviable physique.

'Tonight is prom night w our quarantine crew,' said the Sports Illustrated model on social media. 'Lisa made all the boys do a "promposal" and now's she torturing all of us with chores.'