Cooper Flagg Hard Launches Relationship with Arianna Roberson with Flirty Vacation Photos

Paloma ChavezFri, May 15, 2026 at 5:28 PM UTC

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Cooper Flagg and Arianna Roberson hard launched their relationship on social media
Credit: arianna.roberson/TikTok (2) -

Cooper Flagg and Arianna Roberson confirmed their relationship after weeks of speculation

The pair hard launched their romance with photos and videos on social media

Confirmation of the rumors comes after they were spotted separately from the same location while on vacation in Turks and Caicos Islands

The rumors are true.

Dallas Mavericks rookie Cooper Flagg is in a relationship with Duke University center Arianna Roberson.

In a TikTok posted to her account on Thursday, May 14, Roberson, 20, and Flagg, 19, hold hands and embrace in a compilation of clips from their tropical vacation in the the Turks and Caicos Islands.

An hour later, Flagg added to the buzzy relationship news with a photo of the two sharing a kiss alone in a mirror, which he posted on his Instagram Stories.

Cooper Flagg hard launches his relationship with Arianna Robertson
Credit: Cooper Flagg/Arianna Robertson/Instagram

The newly confirmed relationship comes after weeks of speculation following Roberson's appearance at Flagg's NBA Rookie of the Year press conference back in April.

A month later, the two further fueled the rumors after fans noticed they were both posting photos on Instagram from what appeared to be the same Turks and Caicos locale.

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The NBA Rookie of the Year and college athlete both shared photos of themselves in front of Noah's Ark, a beach club and bar in the Turks and Caicos Islands, on Friday, May 8.

Although the two shared photos from the same location, neither Flagg nor Roberson confirmed the romance publicly — until now.

As for the power couple, Flagg played one season at Duke before becoming the No. 1 overall pick in the 2025 NBA Draft by the Dallas Mavericks, according to his NBA player profile.

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Roberson, a top-20 prospect from San Antonio, Texas, joined the Blue Devils the same year and sat out her first season due to injury, per Duke's women's basketball roster. Last year she played nearly 18 minutes a game.

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Source: “AOL Entertainment”