Cooper Flagg’s GF confirms romance amid TikTok and Instagram posts

Dallas Mavericks rookie Cooper Flagg’s relationship with Arianna Roberson is no longer rumor. Roberson posted a TikTok vacation video and Flagg shared an Instagram kiss photo.
The rookie season may be over for Cooper Flagg, but the offseason drama is different this time: his relationship status.
For weeks, the Dallas Mavericks star has been linked to Arianna Roberson, a player on Duke’s women’s basketball team. The rumors gained traction as the two appeared connected to the college basketball world and beyond, with most indications that they met while both were on campus.
Their public visibility grew around key moments for Flagg. Roberson was seen alongside Flagg’s parents when he was honored with the Rookie of the Year Award, sitting next to them during the ceremony. She also turned up later during the Mavericks’ press conference on April 29.
Then came the vacation posts that kept fans watching. Roberson shared glimpses from time in Turks & Caicos during Flagg’s rookie offseason, fueling online speculation that something more than friendship was developing.
That speculation has now turned into confirmation.. Roberson posted a TikTok video showing the couple switching through different outfits while on vacation.. The caption. “Stop; carry on. ” borrows the line from Beyoncé and Nicki Minaj’s 2014 hit “Feeling Myself.” Flagg also added to the moment. sharing a photo on Instagram of the two kissing.
As the clips circulated, fans moved quickly to celebrate what they described as long-awaited clarity in the comment section.. One supporter wrote. “Finally I was waitingggggg.” Another commented. “I KNOW THATS MF RIGHT. ” while a third said. “this is what the fans want to see.” Others echoed the anticipation. including: “WEVE BEEN WAITING FOR A MIN.”
On the basketball side, Flagg’s first NBA year has officially wrapped up.. The Mavericks selected him with the No.. 1 overall pick in the 2025 NBA Draft.. Across 70 starts, he averaged 21.0 points, 6.7 rebounds, 4.5 assists, 1.2 steals, and 0.9 blocks per game.. The Mavericks, however, did not make the playoffs.
Now attention is shifting again from romance rumors to what comes next on the court.. With rookie season behind him. Flagg said he plans to focus on improvement across his game. telling The Rookie Wire: “I’m going to work on a lot of different things.. There is always room for improvement in every area of the game.. I think there is a ton of growth that I can make offensively. off the dribble and making reads at a high level.. I’m excited to just get in the gym. especially with some of the guys. and continue to learn and grow in a lot of different areas.”
Cooper Flagg Arianna Roberson Dallas Mavericks Duke women’s basketball TikTok relationship NBA Draft 2025 Rookie of the Year