Rihanna always has something up her sleeve and those in attendance at the first weekend of Coachella were in for a special treat.

The singer took a break from her ANTI tour to casually stop by and crash Calvin Haris’s DJ set, and in turn had one very excited Taylor Swift on her hands.

T-Swift praised the performance highly on her Instagram, writing, “I’ll NEVER forget this moment.”

Luckily, there’s video so we all can relive the moment alongside Swift.

Peep RiRi’s surprise Coachella set in the clip below.

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(Photo: Mark Davis/Getty Images for Coachella)