Los Angeles - Beyoncé danced to her own new single at a Super Bowl afterparty.
The 34-year-old singer celebrated her triumphant performance at the NFL Championship Game halftime show - where she was a guest of main act Coldplay - on Sunday at SP2 in San Jose, California and DJ Diplo captured a number of videos of her strutting her stuff on the dancefloor to her track Formation.
Diplo labelled one of his Snapchat videos 'Bey' and another 'redlobstet', believed to mean Red Lobster, a reference to the lyric in the single, which Beyoncé surprise released on Saturday.
And the 37-year-old producer admitted getting to dance with the Drunk in Love hitmaker at the party meant he was now "done with life" as the moment can't be topped.
He tweeted: "I was the only person on the dance floor .. Dj played lean on and Beyoncé came and danced w me.. Done w life bye (sic)"
Beyoncé admitted after her performance of Formation at the Levi's Stadium in Santa Clara, California, she was very "proud".
She said: "It felt great. It makes me proud."
And she hopes the song will have a positive impact on her fans' lives.
She said: "I wanted people to feel proud, and have love for themselves."