Copper Flagg is a well-known American professional basketball player. For those unaware, he plays for the Dallas Mavericks of the National Basketball Association (NBA). He was selected by the Mavericks during the 2025 NBA Draft as their first overall pick.
At present, Cooper Flagg is grabbing the headlines for all things personal. For those unaware, after months of speculation, Cooper confirmed his relationship with his now-girlfriend, Arianna Roberson. He did this by posting a picture on his Instagram story, where he can be seen kissing Arianna. Amid this, if you are curious to know more about Cooper’s girlfriend, Arianna, we have got you covered.
Arianna Roberson plays for the Duke Blue Devils basketball team
Cooper Flagg’s girlfriend, Arianna Roberson, at 6-foot-4, plays as a centre for the Duke Blue Devils women’s basketball team. According to reports, she has a solid reputation inside college basketball circles. She has averaged 8.0 points, 5.7 rebounds, and 1.3 blocks per game across 33 games during her first active season with Duke. Arianna is often regarded for her work on the glass and as a shot blocker.
Arianna Roberson has represented Team USA on several occasions
It is worth noting that, apart from her being a Blue Devil, Arianna Roberson has also represented Team USA on several occasions. Back in 2024, Arianna not only played in the FIBA U19 AmeriCup and FIBA 3×3 U18 World Cup, but she also bagged gold in both of them. Unfortunately, owing to a knee injury that Arianna suffered during one of these tournaments, she was sidelined for her entire freshman season with Duke.
Arianna Roberson comes from a family rooted in basketball
If reports are believed to be true, basketball is rooted in Arianna Roberson’s family. For those unaware, she is the younger sister of former NBA guard, Andre Roberson. Andre was known for his elite perimeter defence while he was playing in the NBA for the Oklahoma City Thunder. He was selected by the Oklahoma City Thunder in the 2013 NBA Draft and was a member of the league’s All-Defensive Second Team in 2017. According to reports, he averaged 4.5 points and 4.0 rebounds per game during his career.
Arianna Roberson allegedly met Copper Flagg for the first time in college
While there aren’t any public details about where Arianna Roberson and Cooper Flagg first met, some reports suggest that they might have met on the Duke Campus during the 2024-2025 season. Even though Arianna did not play at the time, Copper Flagg was already rising as the college’s biggest star, having won the Naismith Player of the Year award. It is worth mentioning that there are no reported incidents or stories to indicate that Copper and Arianna were in a relationship at the time.
Arianna and Copper first sparked rumours of romance when they were seen watching the Duke vs Syracuse game at the Cameron Indoor Stadium. From the outside, it looked like Copper was simply attending one of the most anticipated collegiate games that season. However, fans became suspicious, especially after they noticed that Arianna was sitting with the Flagg family during his Rookie of the Year press conference in April that year.
Arianna Roberson is quite active on social media
A quick look at her Instagram and TikTok accounts reveals that Arianna Roberson is quite active on social media. She has nearly 22.8k followers on her Instagram profile, where she can often be seen sharing her highlights from her season with Duke. Apart from this, she also shares regular lifestyle images on her grid. Coming to Arianna’s TikTok account, she shares similar content over there as well, be it dances or in-season moments with Duke.
Arianna Roberson and Cooper Flagg vacationed together in Turks and Caicos
After wrapping up one of the best rookie seasons that the NBA has seen in recent years, Cooper Flagg and Arianna Roberson enjoyed the offseason vacationing in Turks and Caicos. For those unaware, at the time, Copper reportedly averaged 21.0 points, 6.7 rebounds, 4.5 assists, and 1.2 steals as a starter in 70 games during Dallas. In fact, Copper joined Michael Jordan as the only rookie since 1973-74 to lead their team in points, rebounds, assists, and steals.
Even though Dallas missed out on the playoffs, Cooper became the face of the franchise after the Luka Doncic era shifted direction. Off the court, Cooper is known for keeping his personal life private. This is why, when Arianna shared a video on her social media from their vacation in Turks and Caicos, fans saw this as the duo subtly confirming their relationship. For more context, Arianna, a former McDonald’s All-American and Nike Hoop Summit selection, posted a TikTok video showing off her and Cooper’s vacation outfits as they held hands. Soon after this, Cooper himself took to his Instagram story, where he shared a picture of himself kissing Arianna.
What are your thoughts on Cooper Flagg’s girlfriend, Arianna Roberson? Let us know.
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